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This is a port of XRay to ARM 32-bit, without Thumb support yet. The XRay instrumentation support is moving up to AsmPrinter. This is one of 3 commits to different repositories of XRay ARM port. The other 2 are: https://reviews.llvm.org/D23932 (Clang test) https://reviews.llvm.org/D23933 (compiler-rt) Differential Revision: https://reviews.llvm.org/D23931 llvm-svn: 281878
25 lines
659 B
LLVM
25 lines
659 B
LLVM
; RUN: llc -filetype=asm -o - -mtriple=armv6-unknown-linux-gnu < %s | FileCheck %s
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define i32 @foo() nounwind noinline uwtable "function-instrument"="xray-always" {
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; CHECK-LABEL: Lxray_sled_0:
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; CHECK-NEXT: b #20
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; CHECK-NEXT: mov r0, r0
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; CHECK-NEXT: mov r0, r0
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; CHECK-NEXT: mov r0, r0
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; CHECK-NEXT: mov r0, r0
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; CHECK-NEXT: mov r0, r0
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; CHECK-NEXT: mov r0, r0
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; CHECK-LABEL: Ltmp0:
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ret i32 0
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; CHECK-LABEL: Lxray_sled_1:
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; CHECK-NEXT: b #20
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; CHECK-NEXT: mov r0, r0
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; CHECK-NEXT: mov r0, r0
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; CHECK-NEXT: mov r0, r0
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; CHECK-NEXT: mov r0, r0
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; CHECK-NEXT: mov r0, r0
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; CHECK-NEXT: mov r0, r0
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; CHECK-LABEL: Ltmp1:
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; CHECK-NEXT: bx lr
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}
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