62 lines
2.1 KiB
LLVM
62 lines
2.1 KiB
LLVM
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; RUN: llc -verify-machineinstrs -filetype=asm -o - -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
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; RUN: llc -verify-machineinstrs -filetype=asm -o - \
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; RUN: -mtriple=x86_64-unknown-linux-gnu -relocation-model=pic < %s | FileCheck %s
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; RUN: llc -verify-machineinstrs -filetype=asm -o - -mtriple=x86_64-darwin-unknown < %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: .ascii "\353\t"
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; CHECK-NEXT: nopw 512(%rax,%rax)
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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: retq
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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}
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; CHECK-LABEL: xray_instr_map
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; CHECK-LABEL: Lxray_sleds_start0:
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; CHECK: .quad {{.*}}xray_sled_0
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; CHECK: .quad {{.*}}xray_sled_1
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; CHECK-LABEL: Lxray_sleds_end0:
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; CHECK-LABEL: xray_fn_idx
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; CHECK: .quad {{.*}}xray_sleds_start0
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; CHECK-NEXT: .quad {{.*}}xray_sleds_end0
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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: .ascii "\353\t"
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; CHECK-NEXT: nopw 512(%rax,%rax)
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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: 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: retq
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; CHECK-NEXT: nopw %cs:512(%rax,%rax)
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}
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; CHECK-LABEL: xray_instr_map
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; CHECK-LABEL: Lxray_sleds_start1:
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; CHECK: Ltmp2:
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; CHECK-NEXT: .quad {{.*}}xray_sled_2-{{\.?}}Ltmp2
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; CHECK: Ltmp3:
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; CHECK-NEXT: .quad {{.*}}xray_sled_3-{{\.?}}Ltmp3
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; CHECK: Ltmp4:
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; CHECK-NEXT: .quad {{.*}}xray_sled_4-{{\.?}}Ltmp4
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; CHECK-LABEL: Lxray_sleds_end1:
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; CHECK-LABEL: xray_fn_idx
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; CHECK: .quad {{.*}}xray_sleds_start1
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; CHECK-NEXT: .quad {{.*}}xray_sleds_end1
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