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aeea4f9adc
This patch adds a test for the assembly code emitted with XRay instrumentation. It also fixes a bug where the operand of a jump instruction must be not the number of bytes to jump over, but rather the number of 4-byte instructions. Author: rSerge Reviewers: dberris, rengolin Differential Revision: https://reviews.llvm.org/D26805 llvm-svn: 287516
33 lines
832 B
LLVM
33 lines
832 B
LLVM
; RUN: llc -filetype=asm -o - -mtriple=aarch64-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 #32
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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: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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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 #32
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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: nop
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; CHECK-NEXT: nop
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; CHECK-NEXT: nop
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; CHECK-LABEL: Ltmp1:
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; CHECK-NEXT: ret
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}
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; CHECK: .p2align 4
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; CHECK-NEXT: .xword .Lxray_synthetic_0
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; CHECK-NEXT: .section xray_instr_map,{{.*}}
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; CHECK-LABEL: Lxray_synthetic_0:
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; CHECK: .xword .Lxray_sled_0
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; CHECK: .xword .Lxray_sled_1
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