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[XRay] ARM 32-bit no-Thumb support in LLVM 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
2016-09-19 08:54:35 +08:00
; RUN: llc -filetype=asm -o - -mtriple=armv6-unknown-linux-gnu < %s | FileCheck %s
define i32 @foo() nounwind noinline uwtable "function-instrument"="xray-always" {
; CHECK-LABEL: Lxray_sled_0:
; CHECK-NEXT: b #20
; CHECK-NEXT: mov r0, r0
; CHECK-NEXT: mov r0, r0
; CHECK-NEXT: mov r0, r0
; CHECK-NEXT: mov r0, r0
; CHECK-NEXT: mov r0, r0
; CHECK-NEXT: mov r0, r0
; CHECK-LABEL: Ltmp0:
ret i32 0
; CHECK-LABEL: Lxray_sled_1:
; CHECK-NEXT: b #20
; CHECK-NEXT: mov r0, r0
; CHECK-NEXT: mov r0, r0
; CHECK-NEXT: mov r0, r0
; CHECK-NEXT: mov r0, r0
; CHECK-NEXT: mov r0, r0
; CHECK-NEXT: mov r0, r0
; CHECK-LABEL: Ltmp1:
; CHECK-NEXT: bx lr
}