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https://github.com/RPCSX/llvm.git
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d9b4137f9f
Previously we only supported putting the FI into memory operand offset fields if there was nothing there already. Now combine them. Differential Revision: http://reviews.llvm.org/D15941 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@257084 91177308-0d34-0410-b5e6-96231b3b80d8
103 lines
3.5 KiB
LLVM
103 lines
3.5 KiB
LLVM
; RUN: llc < %s -asm-verbose=false | FileCheck %s
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; RUN: llc < %s -asm-verbose=false -fast-isel | FileCheck %s
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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; CHECK-LABEL: alloca32:
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; Check that there is an extra local for the stack pointer.
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; CHECK: .local i32, i32, i32, i32{{$}}
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define void @alloca32() {
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; CHECK: i32.const [[L1:.+]]=, __stack_pointer
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; CHECK-NEXT: i32.load [[L1]]=, 0([[L1]])
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; CHECK-NEXT: i32.const [[L2:.+]]=, 16
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; CHECK-NEXT: i32.sub [[SP:.+]]=, [[L1]], [[L2]]
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%retval = alloca i32
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; CHECK: i32.const $push[[L3:.+]]=, 0
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; CHECK: i32.store {{.*}}=, 12([[SP]]), $pop[[L3]]
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store i32 0, i32* %retval
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; CHECK: i32.const [[L4:.+]]=, 16
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; CHECK-NEXT: i32.add [[SP]]=, [[SP]], [[L4]]
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; CHECK-NEXT: i32.const [[L5:.+]]=, __stack_pointer
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; CHECK-NEXT: i32.store [[SP]]=, 0([[L5]]), [[SP]]
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ret void
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}
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; CHECK-LABEL: alloca3264:
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; CHECK: .local i32, i32, i32, i32{{$}}
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define void @alloca3264() {
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; CHECK: i32.const [[L1:.+]]=, __stack_pointer
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; CHECK-NEXT: i32.load [[L1]]=, 0([[L1]])
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; CHECK-NEXT: i32.const [[L2:.+]]=, 16
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; CHECK-NEXT: i32.sub [[SP:.+]]=, [[L1]], [[L2]]
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%r1 = alloca i32
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%r2 = alloca double
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; CHECK: i32.const $push[[L3:.+]]=, 0
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; CHECK: i32.store {{.*}}=, 12([[SP]]), $pop[[L3]]
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store i32 0, i32* %r1
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; CHECK: i64.const $push[[L4:.+]]=, 0
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; CHECK: i64.store {{.*}}=, 0([[SP]]), $pop[[L4]]
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store double 0.0, double* %r2
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; CHECK: i32.const [[L4:.+]]=, 16
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; CHECK-NEXT: i32.add [[SP]]=, [[SP]], [[L4]]
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; CHECK-NEXT: i32.const [[L5:.+]]=, __stack_pointer
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; CHECK-NEXT: i32.store [[SP]]=, 0([[L5]]), [[SP]]
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ret void
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}
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; CHECK-LABEL: allocarray:
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; CHECK: .local i32, i32, i32, i32, i32, i32{{$}}
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define void @allocarray() {
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; CHECK: i32.const [[L1:.+]]=, __stack_pointer
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; CHECK-NEXT: i32.load [[L1]]=, 0([[L1]])
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; CHECK-NEXT: i32.const [[L2:.+]]=, 32
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; CHECK-NEXT: i32.sub [[SP:.+]]=, [[L1]], [[L2]]
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%r = alloca [5 x i32]
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; CHECK: i32.const $push[[L3:.+]]=, 1
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; CHECK: i32.store {{.*}}=, 12([[SP]]), $pop[[L3]]
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%p = getelementptr [5 x i32], [5 x i32]* %r, i32 0, i32 0
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store i32 1, i32* %p
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; CHECK: i32.const $push[[L4:.+]]=, 4
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; CHECK: i32.const [[L5:.+]]=, 12
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; CHECK: i32.add [[L5]]=, [[SP]], [[L5]]
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; CHECK: i32.add $push[[L6:.+]]=, [[L5]], $pop[[L4]]
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; CHECK: i32.store {{.*}}=, 0($pop[[L6]]), ${{.+}}
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%p2 = getelementptr [5 x i32], [5 x i32]* %r, i32 0, i32 1
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store i32 1, i32* %p2
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; CHECK: i32.const [[L7:.+]]=, 32
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; CHECK-NEXT: i32.add [[SP]]=, [[SP]], [[L7]]
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; CHECK-NEXT: i32.const [[L8:.+]]=, __stack_pointer
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; CHECK-NEXT: i32.store [[SP]]=, 0([[L7]]), [[SP]]
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ret void
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}
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define void @allocarray_inbounds() {
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; CHECK: i32.const [[L1:.+]]=, __stack_pointer
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; CHECK-NEXT: i32.load [[L1]]=, 0([[L1]])
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; CHECK-NEXT: i32.const [[L2:.+]]=, 32
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; CHECK-NEXT: i32.sub [[SP:.+]]=, [[L1]], [[L2]]
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%r = alloca [5 x i32]
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; CHECK: i32.const $push[[L3:.+]]=, 1
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; CHECK: i32.store {{.*}}=, 12([[SP]]), $pop[[L3]]
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%p = getelementptr inbounds [5 x i32], [5 x i32]* %r, i32 0, i32 0
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store i32 1, i32* %p
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; This store should have both the GEP and the FI folded into it.
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; CHECK-NEXT: i32.store {{.*}}=, 16([[SP]]), $pop
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%p2 = getelementptr inbounds [5 x i32], [5 x i32]* %r, i32 0, i32 1
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store i32 1, i32* %p2
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; CHECK: i32.const [[L7:.+]]=, 32
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; CHECK-NEXT: i32.add [[SP]]=, [[SP]], [[L7]]
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; CHECK-NEXT: i32.const [[L8:.+]]=, __stack_pointer
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; CHECK-NEXT: i32.store [[SP]]=, 0([[L7]]), [[SP]]
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ret void
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}
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define void @dynamic_alloca(i32 %alloc) {
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; TODO: Support frame pointers
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;%r = alloca i32, i32 %alloc
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;store i32 0, i32* %r
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ret void
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}
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; TODO: test aligned alloc
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