53 lines
1.6 KiB
LLVM
53 lines
1.6 KiB
LLVM
; RUN: llc -filetype=asm -o - -mtriple=x86_64-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: .p2align 1, 0x90
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; CHECK-LABEL: Lxray_sled_0:
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; CHECK-NEXT: .ascii "\353\t"
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; CHECK-NEXT: nopw 512(%rax,%rax)
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; CHECK-LABEL: Ltmp0:
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ret i32 0
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; CHECK: .p2align 1, 0x90
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; CHECK-LABEL: Lxray_sled_1:
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; CHECK-NEXT: retq
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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}
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; CHECK: .p2align 4, 0x90
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; CHECK-NEXT: .quad .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: .quad .Lxray_sled_0
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; CHECK: .quad .Lxray_sled_1
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; We test multiple returns in a single function to make sure we're getting all
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; of them with XRay instrumentation.
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define i32 @bar(i32 %i) nounwind noinline uwtable "function-instrument"="xray-always" {
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; CHECK: .p2align 1, 0x90
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; CHECK-LABEL: Lxray_sled_2:
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; CHECK-NEXT: .ascii "\353\t"
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; CHECK-NEXT: nopw 512(%rax,%rax)
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; CHECK-LABEL: Ltmp1:
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Test:
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%cond = icmp eq i32 %i, 0
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br i1 %cond, label %IsEqual, label %NotEqual
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IsEqual:
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ret i32 0
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; CHECK: .p2align 1, 0x90
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; CHECK-LABEL: Lxray_sled_3:
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; CHECK-NEXT: retq
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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NotEqual:
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ret i32 1
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; CHECK: .p2align 1, 0x90
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; CHECK-LABEL: Lxray_sled_4:
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; CHECK-NEXT: retq
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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}
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; CHECK: .p2align 4, 0x90
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; CHECK-NEXT: .quad .Lxray_synthetic_1
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; CHECK-NEXT: .section xray_instr_map,{{.*}}
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; CHECK-LABEL: Lxray_synthetic_1:
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; CHECK: .quad .Lxray_sled_2
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; CHECK: .quad .Lxray_sled_3
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; CHECK: .quad .Lxray_sled_4
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