forked from OSchip/llvm-project
50 lines
1.7 KiB
LLVM
50 lines
1.7 KiB
LLVM
; RUN: llc -verify-machineinstrs -filetype=asm -o - -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
|
|
; RUN: llc -verify-machineinstrs -filetype=asm -o - \
|
|
; RUN: -mtriple=x86_64-unknown-linux-gnu -relocation-model=pic < %s | FileCheck %s
|
|
; RUN: llc -verify-machineinstrs -filetype=asm -o - -mtriple=x86_64-darwin-unknown < %s | FileCheck %s
|
|
|
|
define i32 @foo() nounwind noinline uwtable "function-instrument"="xray-always" "xray-skip-exit" {
|
|
; CHECK: .p2align 1, 0x90
|
|
; CHECK-LABEL: Lxray_sled_0:
|
|
; CHECK: .ascii "\353\t"
|
|
; CHECK-NEXT: nopw 512(%rax,%rax)
|
|
ret i32 0
|
|
; CHECK-NOT: Lxray_sled_1:
|
|
; CHECK: retq
|
|
}
|
|
; CHECK-LABEL: xray_instr_map
|
|
; CHECK-LABEL: Lxray_sleds_start0:
|
|
; CHECK: .quad {{.*}}xray_sled_0
|
|
; CHECK-LABEL: Lxray_sleds_end0:
|
|
; CHECK-LABEL: xray_fn_idx
|
|
; CHECK: .quad {{.*}}xray_sleds_start0
|
|
; CHECK-NEXT: .quad {{.*}}xray_sleds_end0
|
|
|
|
|
|
; We test multiple returns in a single function to make sure we're skipping all
|
|
; of them with XRay instrumentation.
|
|
define i32 @bar(i32 %i) nounwind noinline uwtable "function-instrument"="xray-always" "xray-skip-exit" {
|
|
; CHECK: .p2align 1, 0x90
|
|
; CHECK-LABEL: Lxray_sled_1:
|
|
; CHECK: .ascii "\353\t"
|
|
; CHECK-NEXT: nopw 512(%rax,%rax)
|
|
Test:
|
|
%cond = icmp eq i32 %i, 0
|
|
br i1 %cond, label %IsEqual, label %NotEqual
|
|
IsEqual:
|
|
ret i32 0
|
|
; CHECK-NOT: Lxray_sled_{{.*}}:
|
|
; CHECK: retq
|
|
NotEqual:
|
|
ret i32 1
|
|
; CHECK-NOT: Lxray_sled_{{.*}}:
|
|
; CHECK: retq
|
|
}
|
|
; CHECK-LABEL: xray_instr_map
|
|
; CHECK-LABEL: Lxray_sleds_start1:
|
|
; CHECK: .quad {{.*}}xray_sled_1
|
|
; CHECK-LABEL: Lxray_sleds_end1:
|
|
; CHECK-LABEL: xray_fn_idx
|
|
; CHECK: .quad {{.*}}xray_sleds_start1
|
|
; CHECK-NEXT: .quad {{.*}}xray_sleds_end1
|