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19c8a66443
The backend has been around for years, it's pretty ridiculous that we can't even use the preferred form for printing "MOV" aliases. Unfortunately, TableGen can't handle the complex predicates when printing so it's a bunch of nasty C++. Oh well. llvm-svn: 272865
86 lines
3.4 KiB
LLVM
86 lines
3.4 KiB
LLVM
; RUN: llc -mtriple=arm64-apple-darwin -enable-misched=0 -mcpu=cyclone < %s | FileCheck %s
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; RUN: llc -mtriple=arm64-apple-darwin -enable-misched=0 -mcpu=cyclone -fast-isel -fast-isel-abort=1 < %s | FileCheck %s
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; Trivial patchpoint codegen
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;
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define i64 @trivial_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
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entry:
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; CHECK-LABEL: trivial_patchpoint_codegen:
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; CHECK: mov x16, #244834610708480
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; CHECK-NEXT: movk x16, #48879, lsl #16
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; CHECK-NEXT: movk x16, #51966
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; CHECK-NEXT: blr x16
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; CHECK: mov x16, #244834610708480
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; CHECK-NEXT: movk x16, #48879, lsl #16
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; CHECK-NEXT: movk x16, #51967
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; CHECK-NEXT: blr x16
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; CHECK: ret
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%resolveCall2 = inttoptr i64 244837814094590 to i8*
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%result = tail call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 2, i32 20, i8* %resolveCall2, i32 4, i64 %p1, i64 %p2, i64 %p3, i64 %p4)
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%resolveCall3 = inttoptr i64 244837814094591 to i8*
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tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 3, i32 20, i8* %resolveCall3, i32 2, i64 %p1, i64 %result)
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ret i64 %result
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}
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; Caller frame metadata with stackmaps. This should not be optimized
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; as a leaf function.
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;
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; CHECK-LABEL: caller_meta_leaf
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; CHECK: sub sp, sp, #48
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; CHECK-NEXT: stp x29, x30, [sp, #32]
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; CHECK-NEXT: add x29, sp, #32
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; CHECK: Ltmp
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; CHECK: add sp, sp, #48
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; CHECK: ret
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define void @caller_meta_leaf() {
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entry:
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%metadata = alloca i64, i32 3, align 8
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store i64 11, i64* %metadata
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store i64 12, i64* %metadata
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store i64 13, i64* %metadata
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call void (i64, i32, ...) @llvm.experimental.stackmap(i64 4, i32 0, i64* %metadata)
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ret void
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}
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; Test patchpoints reusing the same TargetConstant.
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; <rdar:15390785> Assertion failed: (CI.getNumArgOperands() >= NumArgs + 4)
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; There is no way to verify this, since it depends on memory allocation.
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; But I think it's useful to include as a working example.
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define i64 @testLowerConstant(i64 %arg, i64 %tmp2, i64 %tmp10, i64* %tmp33, i64 %tmp79) {
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entry:
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%tmp80 = add i64 %tmp79, -16
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%tmp81 = inttoptr i64 %tmp80 to i64*
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%tmp82 = load i64, i64* %tmp81, align 8
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 14, i32 8, i64 %arg, i64 %tmp2, i64 %tmp10, i64 %tmp82)
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tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 15, i32 32, i8* null, i32 3, i64 %arg, i64 %tmp10, i64 %tmp82)
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%tmp83 = load i64, i64* %tmp33, align 8
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%tmp84 = add i64 %tmp83, -24
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%tmp85 = inttoptr i64 %tmp84 to i64*
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%tmp86 = load i64, i64* %tmp85, align 8
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tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 17, i32 8, i64 %arg, i64 %tmp10, i64 %tmp86)
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tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 18, i32 32, i8* null, i32 3, i64 %arg, i64 %tmp10, i64 %tmp86)
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ret i64 10
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}
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; Test small patchpoints that don't emit calls.
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define void @small_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) {
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entry:
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; CHECK-LABEL: small_patchpoint_codegen:
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; CHECK: Ltmp
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; CHECK: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: ldp
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; CHECK-NEXT: ret
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%result = tail call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 5, i32 20, i8* null, i32 2, i64 %p1, i64 %p2)
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ret void
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}
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declare void @llvm.experimental.stackmap(i64, i32, ...)
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declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...)
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declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...)
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