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9f039304b3
The tests check that the following transform happens: (ldr|str) X, [x20] ... sub x20, x20, #16 -> (ldr|str) X, [x20], #-16 with X being either w0, x0, s0, d0 or q0. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210113 91177308-0d34-0410-b5e6-96231b3b80d8
768 lines
24 KiB
LLVM
768 lines
24 KiB
LLVM
; RUN: llc -mtriple=aarch64-linux-gnu -aarch64-atomic-cfg-tidy=0 -verify-machineinstrs -o - %s | FileCheck %s
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; This file contains tests for the AArch64 load/store optimizer.
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%padding = type { i8*, i8*, i8*, i8* }
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%s.word = type { i32, i32 }
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%s.doubleword = type { i64, i32 }
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%s.quadword = type { fp128, i32 }
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%s.float = type { float, i32 }
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%s.double = type { double, i32 }
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%struct.word = type { %padding, %s.word }
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%struct.doubleword = type { %padding, %s.doubleword }
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%struct.quadword = type { %padding, %s.quadword }
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%struct.float = type { %padding, %s.float }
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%struct.double = type { %padding, %s.double }
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; Check the following transform:
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;
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; (ldr|str) X, [x0, #32]
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; ...
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; add x0, x0, #32
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; ->
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; (ldr|str) X, [x0, #32]!
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;
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; with X being either w1, x1, s0, d0 or q0.
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declare void @bar_word(%s.word*, i32)
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define void @load-pre-indexed-word(%struct.word* %ptr) nounwind {
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; CHECK-LABEL: load-pre-indexed-word
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; CHECK: ldr w{{[0-9]+}}, [x{{[0-9]+}}, #32]!
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entry:
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%a = getelementptr inbounds %struct.word* %ptr, i64 0, i32 1, i32 0
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%add = load i32* %a, align 4
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br label %bar
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bar:
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%c = getelementptr inbounds %struct.word* %ptr, i64 0, i32 1
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tail call void @bar_word(%s.word* %c, i32 %add)
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ret void
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}
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define void @store-pre-indexed-word(%struct.word* %ptr, i32 %val) nounwind {
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; CHECK-LABEL: store-pre-indexed-word
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; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}, #32]!
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entry:
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%a = getelementptr inbounds %struct.word* %ptr, i64 0, i32 1, i32 0
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store i32 %val, i32* %a, align 4
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br label %bar
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bar:
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%c = getelementptr inbounds %struct.word* %ptr, i64 0, i32 1
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tail call void @bar_word(%s.word* %c, i32 %val)
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ret void
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}
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declare void @bar_doubleword(%s.doubleword*, i64)
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define void @load-pre-indexed-doubleword(%struct.doubleword* %ptr) nounwind {
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; CHECK-LABEL: load-pre-indexed-doubleword
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; CHECK: ldr x{{[0-9]+}}, [x{{[0-9]+}}, #32]!
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entry:
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%a = getelementptr inbounds %struct.doubleword* %ptr, i64 0, i32 1, i32 0
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%add = load i64* %a, align 4
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br label %bar
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bar:
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%c = getelementptr inbounds %struct.doubleword* %ptr, i64 0, i32 1
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tail call void @bar_doubleword(%s.doubleword* %c, i64 %add)
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ret void
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}
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define void @store-pre-indexed-doubleword(%struct.doubleword* %ptr, i64 %val) nounwind {
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; CHECK-LABEL: store-pre-indexed-doubleword
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; CHECK: str x{{[0-9]+}}, [x{{[0-9]+}}, #32]!
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entry:
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%a = getelementptr inbounds %struct.doubleword* %ptr, i64 0, i32 1, i32 0
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store i64 %val, i64* %a, align 4
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br label %bar
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bar:
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%c = getelementptr inbounds %struct.doubleword* %ptr, i64 0, i32 1
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tail call void @bar_doubleword(%s.doubleword* %c, i64 %val)
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ret void
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}
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declare void @bar_quadword(%s.quadword*, fp128)
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define void @load-pre-indexed-quadword(%struct.quadword* %ptr) nounwind {
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; CHECK-LABEL: load-pre-indexed-quadword
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; CHECK: ldr q{{[0-9]+}}, [x{{[0-9]+}}, #32]!
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entry:
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%a = getelementptr inbounds %struct.quadword* %ptr, i64 0, i32 1, i32 0
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%add = load fp128* %a, align 4
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br label %bar
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bar:
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%c = getelementptr inbounds %struct.quadword* %ptr, i64 0, i32 1
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tail call void @bar_quadword(%s.quadword* %c, fp128 %add)
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ret void
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}
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define void @store-pre-indexed-quadword(%struct.quadword* %ptr, fp128 %val) nounwind {
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; CHECK-LABEL: store-pre-indexed-quadword
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; CHECK: str q{{[0-9]+}}, [x{{[0-9]+}}, #32]!
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entry:
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%a = getelementptr inbounds %struct.quadword* %ptr, i64 0, i32 1, i32 0
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store fp128 %val, fp128* %a, align 4
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br label %bar
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bar:
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%c = getelementptr inbounds %struct.quadword* %ptr, i64 0, i32 1
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tail call void @bar_quadword(%s.quadword* %c, fp128 %val)
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ret void
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}
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declare void @bar_float(%s.float*, float)
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define void @load-pre-indexed-float(%struct.float* %ptr) nounwind {
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; CHECK-LABEL: load-pre-indexed-float
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; CHECK: ldr s{{[0-9]+}}, [x{{[0-9]+}}, #32]!
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entry:
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%a = getelementptr inbounds %struct.float* %ptr, i64 0, i32 1, i32 0
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%add = load float* %a, align 4
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br label %bar
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bar:
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%c = getelementptr inbounds %struct.float* %ptr, i64 0, i32 1
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tail call void @bar_float(%s.float* %c, float %add)
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ret void
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}
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define void @store-pre-indexed-float(%struct.float* %ptr, float %val) nounwind {
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; CHECK-LABEL: store-pre-indexed-float
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; CHECK: str s{{[0-9]+}}, [x{{[0-9]+}}, #32]!
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entry:
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%a = getelementptr inbounds %struct.float* %ptr, i64 0, i32 1, i32 0
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store float %val, float* %a, align 4
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br label %bar
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bar:
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%c = getelementptr inbounds %struct.float* %ptr, i64 0, i32 1
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tail call void @bar_float(%s.float* %c, float %val)
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ret void
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}
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declare void @bar_double(%s.double*, double)
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define void @load-pre-indexed-double(%struct.double* %ptr) nounwind {
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; CHECK-LABEL: load-pre-indexed-double
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; CHECK: ldr d{{[0-9]+}}, [x{{[0-9]+}}, #32]!
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entry:
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%a = getelementptr inbounds %struct.double* %ptr, i64 0, i32 1, i32 0
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%add = load double* %a, align 4
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br label %bar
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bar:
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%c = getelementptr inbounds %struct.double* %ptr, i64 0, i32 1
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tail call void @bar_double(%s.double* %c, double %add)
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ret void
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}
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define void @store-pre-indexed-double(%struct.double* %ptr, double %val) nounwind {
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; CHECK-LABEL: store-pre-indexed-double
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; CHECK: str d{{[0-9]+}}, [x{{[0-9]+}}, #32]!
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entry:
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%a = getelementptr inbounds %struct.double* %ptr, i64 0, i32 1, i32 0
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store double %val, double* %a, align 4
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br label %bar
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bar:
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%c = getelementptr inbounds %struct.double* %ptr, i64 0, i32 1
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tail call void @bar_double(%s.double* %c, double %val)
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ret void
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}
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; Check the following transform:
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;
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; add x8, x8, #16
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; ...
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; ldr X, [x8]
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; ->
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; ldr X, [x8, #16]!
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;
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; with X being either w0, x0, s0, d0 or q0.
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%pre.struct.i32 = type { i32, i32, i32}
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%pre.struct.i64 = type { i32, i64, i64}
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%pre.struct.i128 = type { i32, <2 x i64>, <2 x i64>}
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%pre.struct.float = type { i32, float, float}
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%pre.struct.double = type { i32, double, double}
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define i32 @load-pre-indexed-word2(%pre.struct.i32** %this, i1 %cond,
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%pre.struct.i32* %load2) nounwind {
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; CHECK-LABEL: load-pre-indexed-word2
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; CHECK: ldr w{{[0-9]+}}, [x{{[0-9]+}}, #4]!
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br i1 %cond, label %if.then, label %if.end
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if.then:
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%load1 = load %pre.struct.i32** %this
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%gep1 = getelementptr inbounds %pre.struct.i32* %load1, i64 0, i32 1
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br label %return
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if.end:
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%gep2 = getelementptr inbounds %pre.struct.i32* %load2, i64 0, i32 2
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br label %return
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return:
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%retptr = phi i32* [ %gep1, %if.then ], [ %gep2, %if.end ]
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%ret = load i32* %retptr
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ret i32 %ret
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}
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define i64 @load-pre-indexed-doubleword2(%pre.struct.i64** %this, i1 %cond,
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%pre.struct.i64* %load2) nounwind {
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; CHECK-LABEL: load-pre-indexed-doubleword2
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; CHECK: ldr x{{[0-9]+}}, [x{{[0-9]+}}, #8]!
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br i1 %cond, label %if.then, label %if.end
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if.then:
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%load1 = load %pre.struct.i64** %this
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%gep1 = getelementptr inbounds %pre.struct.i64* %load1, i64 0, i32 1
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br label %return
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if.end:
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%gep2 = getelementptr inbounds %pre.struct.i64* %load2, i64 0, i32 2
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br label %return
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return:
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%retptr = phi i64* [ %gep1, %if.then ], [ %gep2, %if.end ]
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%ret = load i64* %retptr
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ret i64 %ret
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}
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define <2 x i64> @load-pre-indexed-quadword2(%pre.struct.i128** %this, i1 %cond,
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%pre.struct.i128* %load2) nounwind {
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; CHECK-LABEL: load-pre-indexed-quadword2
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; CHECK: ldr q{{[0-9]+}}, [x{{[0-9]+}}, #16]!
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br i1 %cond, label %if.then, label %if.end
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if.then:
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%load1 = load %pre.struct.i128** %this
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%gep1 = getelementptr inbounds %pre.struct.i128* %load1, i64 0, i32 1
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br label %return
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if.end:
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%gep2 = getelementptr inbounds %pre.struct.i128* %load2, i64 0, i32 2
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br label %return
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return:
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%retptr = phi <2 x i64>* [ %gep1, %if.then ], [ %gep2, %if.end ]
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%ret = load <2 x i64>* %retptr
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ret <2 x i64> %ret
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}
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define float @load-pre-indexed-float2(%pre.struct.float** %this, i1 %cond,
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%pre.struct.float* %load2) nounwind {
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; CHECK-LABEL: load-pre-indexed-float2
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; CHECK: ldr s{{[0-9]+}}, [x{{[0-9]+}}, #4]!
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br i1 %cond, label %if.then, label %if.end
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if.then:
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%load1 = load %pre.struct.float** %this
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%gep1 = getelementptr inbounds %pre.struct.float* %load1, i64 0, i32 1
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br label %return
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if.end:
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%gep2 = getelementptr inbounds %pre.struct.float* %load2, i64 0, i32 2
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br label %return
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return:
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%retptr = phi float* [ %gep1, %if.then ], [ %gep2, %if.end ]
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%ret = load float* %retptr
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ret float %ret
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}
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define double @load-pre-indexed-double2(%pre.struct.double** %this, i1 %cond,
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%pre.struct.double* %load2) nounwind {
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; CHECK-LABEL: load-pre-indexed-double2
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; CHECK: ldr d{{[0-9]+}}, [x{{[0-9]+}}, #8]!
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br i1 %cond, label %if.then, label %if.end
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if.then:
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%load1 = load %pre.struct.double** %this
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%gep1 = getelementptr inbounds %pre.struct.double* %load1, i64 0, i32 1
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br label %return
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if.end:
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%gep2 = getelementptr inbounds %pre.struct.double* %load2, i64 0, i32 2
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br label %return
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return:
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%retptr = phi double* [ %gep1, %if.then ], [ %gep2, %if.end ]
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%ret = load double* %retptr
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ret double %ret
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}
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; Check the following transform:
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;
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; add x8, x8, #16
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; ...
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; str X, [x8]
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; ->
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; str X, [x8, #16]!
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;
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; with X being either w0, x0, s0, d0 or q0.
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define void @store-pre-indexed-word2(%pre.struct.i32** %this, i1 %cond,
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%pre.struct.i32* %load2,
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i32 %val) nounwind {
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; CHECK-LABEL: store-pre-indexed-word2
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; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}, #4]!
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br i1 %cond, label %if.then, label %if.end
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if.then:
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%load1 = load %pre.struct.i32** %this
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%gep1 = getelementptr inbounds %pre.struct.i32* %load1, i64 0, i32 1
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br label %return
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if.end:
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%gep2 = getelementptr inbounds %pre.struct.i32* %load2, i64 0, i32 2
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br label %return
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return:
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%retptr = phi i32* [ %gep1, %if.then ], [ %gep2, %if.end ]
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store i32 %val, i32* %retptr
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ret void
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}
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define void @store-pre-indexed-doubleword2(%pre.struct.i64** %this, i1 %cond,
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%pre.struct.i64* %load2,
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i64 %val) nounwind {
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; CHECK-LABEL: store-pre-indexed-doubleword2
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; CHECK: str x{{[0-9]+}}, [x{{[0-9]+}}, #8]!
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br i1 %cond, label %if.then, label %if.end
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if.then:
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%load1 = load %pre.struct.i64** %this
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%gep1 = getelementptr inbounds %pre.struct.i64* %load1, i64 0, i32 1
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br label %return
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if.end:
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%gep2 = getelementptr inbounds %pre.struct.i64* %load2, i64 0, i32 2
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br label %return
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return:
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%retptr = phi i64* [ %gep1, %if.then ], [ %gep2, %if.end ]
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store i64 %val, i64* %retptr
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ret void
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}
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define void @store-pre-indexed-quadword2(%pre.struct.i128** %this, i1 %cond,
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%pre.struct.i128* %load2,
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<2 x i64> %val) nounwind {
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; CHECK-LABEL: store-pre-indexed-quadword2
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; CHECK: str q{{[0-9]+}}, [x{{[0-9]+}}, #16]!
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br i1 %cond, label %if.then, label %if.end
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if.then:
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%load1 = load %pre.struct.i128** %this
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%gep1 = getelementptr inbounds %pre.struct.i128* %load1, i64 0, i32 1
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br label %return
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if.end:
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%gep2 = getelementptr inbounds %pre.struct.i128* %load2, i64 0, i32 2
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br label %return
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return:
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%retptr = phi <2 x i64>* [ %gep1, %if.then ], [ %gep2, %if.end ]
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store <2 x i64> %val, <2 x i64>* %retptr
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ret void
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}
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define void @store-pre-indexed-float2(%pre.struct.float** %this, i1 %cond,
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%pre.struct.float* %load2,
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float %val) nounwind {
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; CHECK-LABEL: store-pre-indexed-float2
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; CHECK: str s{{[0-9]+}}, [x{{[0-9]+}}, #4]!
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br i1 %cond, label %if.then, label %if.end
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if.then:
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%load1 = load %pre.struct.float** %this
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%gep1 = getelementptr inbounds %pre.struct.float* %load1, i64 0, i32 1
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br label %return
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if.end:
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%gep2 = getelementptr inbounds %pre.struct.float* %load2, i64 0, i32 2
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br label %return
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return:
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%retptr = phi float* [ %gep1, %if.then ], [ %gep2, %if.end ]
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store float %val, float* %retptr
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ret void
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}
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define void @store-pre-indexed-double2(%pre.struct.double** %this, i1 %cond,
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%pre.struct.double* %load2,
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double %val) nounwind {
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; CHECK-LABEL: store-pre-indexed-double2
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; CHECK: str d{{[0-9]+}}, [x{{[0-9]+}}, #8]!
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br i1 %cond, label %if.then, label %if.end
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if.then:
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%load1 = load %pre.struct.double** %this
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%gep1 = getelementptr inbounds %pre.struct.double* %load1, i64 0, i32 1
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br label %return
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if.end:
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%gep2 = getelementptr inbounds %pre.struct.double* %load2, i64 0, i32 2
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br label %return
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return:
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%retptr = phi double* [ %gep1, %if.then ], [ %gep2, %if.end ]
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store double %val, double* %retptr
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ret void
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}
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; Check the following transform:
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;
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; ldr X, [x20]
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; ...
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; add x20, x20, #32
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; ->
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; ldr X, [x20], #32
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;
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; with X being either w0, x0, s0, d0 or q0.
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define void @load-post-indexed-word(i32* %array, i64 %count) nounwind {
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; CHECK-LABEL: load-post-indexed-word
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; CHECK: ldr w{{[0-9]+}}, [x{{[0-9]+}}], #16
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entry:
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%gep1 = getelementptr i32* %array, i64 2
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br label %body
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body:
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%iv2 = phi i32* [ %gep3, %body ], [ %gep1, %entry ]
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%iv = phi i64 [ %iv.next, %body ], [ %count, %entry ]
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%gep2 = getelementptr i32* %iv2, i64 -1
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%load = load i32* %gep2
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call void @use-word(i32 %load)
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%load2 = load i32* %iv2
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|
call void @use-word(i32 %load2)
|
|
%iv.next = add i64 %iv, -4
|
|
%gep3 = getelementptr i32* %iv2, i64 4
|
|
%cond = icmp eq i64 %iv.next, 0
|
|
br i1 %cond, label %exit, label %body
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define void @load-post-indexed-doubleword(i64* %array, i64 %count) nounwind {
|
|
; CHECK-LABEL: load-post-indexed-doubleword
|
|
; CHECK: ldr x{{[0-9]+}}, [x{{[0-9]+}}], #32
|
|
entry:
|
|
%gep1 = getelementptr i64* %array, i64 2
|
|
br label %body
|
|
|
|
body:
|
|
%iv2 = phi i64* [ %gep3, %body ], [ %gep1, %entry ]
|
|
%iv = phi i64 [ %iv.next, %body ], [ %count, %entry ]
|
|
%gep2 = getelementptr i64* %iv2, i64 -1
|
|
%load = load i64* %gep2
|
|
call void @use-doubleword(i64 %load)
|
|
%load2 = load i64* %iv2
|
|
call void @use-doubleword(i64 %load2)
|
|
%iv.next = add i64 %iv, -4
|
|
%gep3 = getelementptr i64* %iv2, i64 4
|
|
%cond = icmp eq i64 %iv.next, 0
|
|
br i1 %cond, label %exit, label %body
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define void @load-post-indexed-quadword(<2 x i64>* %array, i64 %count) nounwind {
|
|
; CHECK-LABEL: load-post-indexed-quadword
|
|
; CHECK: ldr q{{[0-9]+}}, [x{{[0-9]+}}], #64
|
|
entry:
|
|
%gep1 = getelementptr <2 x i64>* %array, i64 2
|
|
br label %body
|
|
|
|
body:
|
|
%iv2 = phi <2 x i64>* [ %gep3, %body ], [ %gep1, %entry ]
|
|
%iv = phi i64 [ %iv.next, %body ], [ %count, %entry ]
|
|
%gep2 = getelementptr <2 x i64>* %iv2, i64 -1
|
|
%load = load <2 x i64>* %gep2
|
|
call void @use-quadword(<2 x i64> %load)
|
|
%load2 = load <2 x i64>* %iv2
|
|
call void @use-quadword(<2 x i64> %load2)
|
|
%iv.next = add i64 %iv, -4
|
|
%gep3 = getelementptr <2 x i64>* %iv2, i64 4
|
|
%cond = icmp eq i64 %iv.next, 0
|
|
br i1 %cond, label %exit, label %body
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define void @load-post-indexed-float(float* %array, i64 %count) nounwind {
|
|
; CHECK-LABEL: load-post-indexed-float
|
|
; CHECK: ldr s{{[0-9]+}}, [x{{[0-9]+}}], #16
|
|
entry:
|
|
%gep1 = getelementptr float* %array, i64 2
|
|
br label %body
|
|
|
|
body:
|
|
%iv2 = phi float* [ %gep3, %body ], [ %gep1, %entry ]
|
|
%iv = phi i64 [ %iv.next, %body ], [ %count, %entry ]
|
|
%gep2 = getelementptr float* %iv2, i64 -1
|
|
%load = load float* %gep2
|
|
call void @use-float(float %load)
|
|
%load2 = load float* %iv2
|
|
call void @use-float(float %load2)
|
|
%iv.next = add i64 %iv, -4
|
|
%gep3 = getelementptr float* %iv2, i64 4
|
|
%cond = icmp eq i64 %iv.next, 0
|
|
br i1 %cond, label %exit, label %body
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define void @load-post-indexed-double(double* %array, i64 %count) nounwind {
|
|
; CHECK-LABEL: load-post-indexed-double
|
|
; CHECK: ldr d{{[0-9]+}}, [x{{[0-9]+}}], #32
|
|
entry:
|
|
%gep1 = getelementptr double* %array, i64 2
|
|
br label %body
|
|
|
|
body:
|
|
%iv2 = phi double* [ %gep3, %body ], [ %gep1, %entry ]
|
|
%iv = phi i64 [ %iv.next, %body ], [ %count, %entry ]
|
|
%gep2 = getelementptr double* %iv2, i64 -1
|
|
%load = load double* %gep2
|
|
call void @use-double(double %load)
|
|
%load2 = load double* %iv2
|
|
call void @use-double(double %load2)
|
|
%iv.next = add i64 %iv, -4
|
|
%gep3 = getelementptr double* %iv2, i64 4
|
|
%cond = icmp eq i64 %iv.next, 0
|
|
br i1 %cond, label %exit, label %body
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
; Check the following transform:
|
|
;
|
|
; str X, [x20]
|
|
; ...
|
|
; add x20, x20, #32
|
|
; ->
|
|
; str X, [x20], #32
|
|
;
|
|
; with X being either w0, x0, s0, d0 or q0.
|
|
|
|
define void @store-post-indexed-word(i32* %array, i64 %count, i32 %val) nounwind {
|
|
; CHECK-LABEL: store-post-indexed-word
|
|
; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}], #16
|
|
entry:
|
|
%gep1 = getelementptr i32* %array, i64 2
|
|
br label %body
|
|
|
|
body:
|
|
%iv2 = phi i32* [ %gep3, %body ], [ %gep1, %entry ]
|
|
%iv = phi i64 [ %iv.next, %body ], [ %count, %entry ]
|
|
%gep2 = getelementptr i32* %iv2, i64 -1
|
|
%load = load i32* %gep2
|
|
call void @use-word(i32 %load)
|
|
store i32 %val, i32* %iv2
|
|
%iv.next = add i64 %iv, -4
|
|
%gep3 = getelementptr i32* %iv2, i64 4
|
|
%cond = icmp eq i64 %iv.next, 0
|
|
br i1 %cond, label %exit, label %body
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define void @store-post-indexed-doubleword(i64* %array, i64 %count, i64 %val) nounwind {
|
|
; CHECK-LABEL: store-post-indexed-doubleword
|
|
; CHECK: str x{{[0-9]+}}, [x{{[0-9]+}}], #32
|
|
entry:
|
|
%gep1 = getelementptr i64* %array, i64 2
|
|
br label %body
|
|
|
|
body:
|
|
%iv2 = phi i64* [ %gep3, %body ], [ %gep1, %entry ]
|
|
%iv = phi i64 [ %iv.next, %body ], [ %count, %entry ]
|
|
%gep2 = getelementptr i64* %iv2, i64 -1
|
|
%load = load i64* %gep2
|
|
call void @use-doubleword(i64 %load)
|
|
store i64 %val, i64* %iv2
|
|
%iv.next = add i64 %iv, -4
|
|
%gep3 = getelementptr i64* %iv2, i64 4
|
|
%cond = icmp eq i64 %iv.next, 0
|
|
br i1 %cond, label %exit, label %body
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define void @store-post-indexed-quadword(<2 x i64>* %array, i64 %count, <2 x i64> %val) nounwind {
|
|
; CHECK-LABEL: store-post-indexed-quadword
|
|
; CHECK: str q{{[0-9]+}}, [x{{[0-9]+}}], #64
|
|
entry:
|
|
%gep1 = getelementptr <2 x i64>* %array, i64 2
|
|
br label %body
|
|
|
|
body:
|
|
%iv2 = phi <2 x i64>* [ %gep3, %body ], [ %gep1, %entry ]
|
|
%iv = phi i64 [ %iv.next, %body ], [ %count, %entry ]
|
|
%gep2 = getelementptr <2 x i64>* %iv2, i64 -1
|
|
%load = load <2 x i64>* %gep2
|
|
call void @use-quadword(<2 x i64> %load)
|
|
store <2 x i64> %val, <2 x i64>* %iv2
|
|
%iv.next = add i64 %iv, -4
|
|
%gep3 = getelementptr <2 x i64>* %iv2, i64 4
|
|
%cond = icmp eq i64 %iv.next, 0
|
|
br i1 %cond, label %exit, label %body
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define void @store-post-indexed-float(float* %array, i64 %count, float %val) nounwind {
|
|
; CHECK-LABEL: store-post-indexed-float
|
|
; CHECK: str s{{[0-9]+}}, [x{{[0-9]+}}], #16
|
|
entry:
|
|
%gep1 = getelementptr float* %array, i64 2
|
|
br label %body
|
|
|
|
body:
|
|
%iv2 = phi float* [ %gep3, %body ], [ %gep1, %entry ]
|
|
%iv = phi i64 [ %iv.next, %body ], [ %count, %entry ]
|
|
%gep2 = getelementptr float* %iv2, i64 -1
|
|
%load = load float* %gep2
|
|
call void @use-float(float %load)
|
|
store float %val, float* %iv2
|
|
%iv.next = add i64 %iv, -4
|
|
%gep3 = getelementptr float* %iv2, i64 4
|
|
%cond = icmp eq i64 %iv.next, 0
|
|
br i1 %cond, label %exit, label %body
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
define void @store-post-indexed-double(double* %array, i64 %count, double %val) nounwind {
|
|
; CHECK-LABEL: store-post-indexed-double
|
|
; CHECK: str d{{[0-9]+}}, [x{{[0-9]+}}], #32
|
|
entry:
|
|
%gep1 = getelementptr double* %array, i64 2
|
|
br label %body
|
|
|
|
body:
|
|
%iv2 = phi double* [ %gep3, %body ], [ %gep1, %entry ]
|
|
%iv = phi i64 [ %iv.next, %body ], [ %count, %entry ]
|
|
%gep2 = getelementptr double* %iv2, i64 -1
|
|
%load = load double* %gep2
|
|
call void @use-double(double %load)
|
|
store double %val, double* %iv2
|
|
%iv.next = add i64 %iv, -4
|
|
%gep3 = getelementptr double* %iv2, i64 4
|
|
%cond = icmp eq i64 %iv.next, 0
|
|
br i1 %cond, label %exit, label %body
|
|
|
|
exit:
|
|
ret void
|
|
}
|
|
|
|
declare void @use-word(i32)
|
|
declare void @use-doubleword(i64)
|
|
declare void @use-quadword(<2 x i64>)
|
|
declare void @use-float(float)
|
|
declare void @use-double(double)
|
|
|
|
; Check the following transform:
|
|
;
|
|
; (ldr|str) X, [x20]
|
|
; ...
|
|
; sub x20, x20, #16
|
|
; ->
|
|
; (ldr|str) X, [x20], #-16
|
|
;
|
|
; with X being either w0, x0, s0, d0 or q0.
|
|
|
|
define void @post-indexed-sub-word(i32* %a, i32* %b, i64 %count) nounwind {
|
|
; CHECK-LABEL: post-indexed-sub-word
|
|
; CHECK: ldr w{{[0-9]+}}, [x{{[0-9]+}}], #-8
|
|
; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}], #-8
|
|
br label %for.body
|
|
for.body:
|
|
%phi1 = phi i32* [ %gep4, %for.body ], [ %b, %0 ]
|
|
%phi2 = phi i32* [ %gep3, %for.body ], [ %a, %0 ]
|
|
%i = phi i64 [ %dec.i, %for.body], [ %count, %0 ]
|
|
%gep1 = getelementptr i32* %phi1, i64 -1
|
|
%load1 = load i32* %gep1
|
|
%gep2 = getelementptr i32* %phi2, i64 -1
|
|
store i32 %load1, i32* %gep2
|
|
%load2 = load i32* %phi1
|
|
store i32 %load2, i32* %phi2
|
|
%dec.i = add nsw i64 %i, -1
|
|
%gep3 = getelementptr i32* %phi2, i64 -2
|
|
%gep4 = getelementptr i32* %phi1, i64 -2
|
|
%cond = icmp sgt i64 %dec.i, 0
|
|
br i1 %cond, label %for.body, label %end
|
|
end:
|
|
ret void
|
|
}
|
|
|
|
define void @post-indexed-sub-doubleword(i64* %a, i64* %b, i64 %count) nounwind {
|
|
; CHECK-LABEL: post-indexed-sub-doubleword
|
|
; CHECK: ldr x{{[0-9]+}}, [x{{[0-9]+}}], #-16
|
|
; CHECK: str x{{[0-9]+}}, [x{{[0-9]+}}], #-16
|
|
br label %for.body
|
|
for.body:
|
|
%phi1 = phi i64* [ %gep4, %for.body ], [ %b, %0 ]
|
|
%phi2 = phi i64* [ %gep3, %for.body ], [ %a, %0 ]
|
|
%i = phi i64 [ %dec.i, %for.body], [ %count, %0 ]
|
|
%gep1 = getelementptr i64* %phi1, i64 -1
|
|
%load1 = load i64* %gep1
|
|
%gep2 = getelementptr i64* %phi2, i64 -1
|
|
store i64 %load1, i64* %gep2
|
|
%load2 = load i64* %phi1
|
|
store i64 %load2, i64* %phi2
|
|
%dec.i = add nsw i64 %i, -1
|
|
%gep3 = getelementptr i64* %phi2, i64 -2
|
|
%gep4 = getelementptr i64* %phi1, i64 -2
|
|
%cond = icmp sgt i64 %dec.i, 0
|
|
br i1 %cond, label %for.body, label %end
|
|
end:
|
|
ret void
|
|
}
|
|
|
|
define void @post-indexed-sub-quadword(<2 x i64>* %a, <2 x i64>* %b, i64 %count) nounwind {
|
|
; CHECK-LABEL: post-indexed-sub-quadword
|
|
; CHECK: ldr q{{[0-9]+}}, [x{{[0-9]+}}], #-32
|
|
; CHECK: str q{{[0-9]+}}, [x{{[0-9]+}}], #-32
|
|
br label %for.body
|
|
for.body:
|
|
%phi1 = phi <2 x i64>* [ %gep4, %for.body ], [ %b, %0 ]
|
|
%phi2 = phi <2 x i64>* [ %gep3, %for.body ], [ %a, %0 ]
|
|
%i = phi i64 [ %dec.i, %for.body], [ %count, %0 ]
|
|
%gep1 = getelementptr <2 x i64>* %phi1, i64 -1
|
|
%load1 = load <2 x i64>* %gep1
|
|
%gep2 = getelementptr <2 x i64>* %phi2, i64 -1
|
|
store <2 x i64> %load1, <2 x i64>* %gep2
|
|
%load2 = load <2 x i64>* %phi1
|
|
store <2 x i64> %load2, <2 x i64>* %phi2
|
|
%dec.i = add nsw i64 %i, -1
|
|
%gep3 = getelementptr <2 x i64>* %phi2, i64 -2
|
|
%gep4 = getelementptr <2 x i64>* %phi1, i64 -2
|
|
%cond = icmp sgt i64 %dec.i, 0
|
|
br i1 %cond, label %for.body, label %end
|
|
end:
|
|
ret void
|
|
}
|
|
|
|
define void @post-indexed-sub-float(float* %a, float* %b, i64 %count) nounwind {
|
|
; CHECK-LABEL: post-indexed-sub-float
|
|
; CHECK: ldr s{{[0-9]+}}, [x{{[0-9]+}}], #-8
|
|
; CHECK: str s{{[0-9]+}}, [x{{[0-9]+}}], #-8
|
|
br label %for.body
|
|
for.body:
|
|
%phi1 = phi float* [ %gep4, %for.body ], [ %b, %0 ]
|
|
%phi2 = phi float* [ %gep3, %for.body ], [ %a, %0 ]
|
|
%i = phi i64 [ %dec.i, %for.body], [ %count, %0 ]
|
|
%gep1 = getelementptr float* %phi1, i64 -1
|
|
%load1 = load float* %gep1
|
|
%gep2 = getelementptr float* %phi2, i64 -1
|
|
store float %load1, float* %gep2
|
|
%load2 = load float* %phi1
|
|
store float %load2, float* %phi2
|
|
%dec.i = add nsw i64 %i, -1
|
|
%gep3 = getelementptr float* %phi2, i64 -2
|
|
%gep4 = getelementptr float* %phi1, i64 -2
|
|
%cond = icmp sgt i64 %dec.i, 0
|
|
br i1 %cond, label %for.body, label %end
|
|
end:
|
|
ret void
|
|
}
|
|
|
|
define void @post-indexed-sub-double(double* %a, double* %b, i64 %count) nounwind {
|
|
; CHECK-LABEL: post-indexed-sub-double
|
|
; CHECK: ldr d{{[0-9]+}}, [x{{[0-9]+}}], #-16
|
|
; CHECK: str d{{[0-9]+}}, [x{{[0-9]+}}], #-16
|
|
br label %for.body
|
|
for.body:
|
|
%phi1 = phi double* [ %gep4, %for.body ], [ %b, %0 ]
|
|
%phi2 = phi double* [ %gep3, %for.body ], [ %a, %0 ]
|
|
%i = phi i64 [ %dec.i, %for.body], [ %count, %0 ]
|
|
%gep1 = getelementptr double* %phi1, i64 -1
|
|
%load1 = load double* %gep1
|
|
%gep2 = getelementptr double* %phi2, i64 -1
|
|
store double %load1, double* %gep2
|
|
%load2 = load double* %phi1
|
|
store double %load2, double* %phi2
|
|
%dec.i = add nsw i64 %i, -1
|
|
%gep3 = getelementptr double* %phi2, i64 -2
|
|
%gep4 = getelementptr double* %phi1, i64 -2
|
|
%cond = icmp sgt i64 %dec.i, 0
|
|
br i1 %cond, label %for.body, label %end
|
|
end:
|
|
ret void
|
|
}
|