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; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
; RUN: llc \
; RUN: -mtriple=x86_64-unknown-linux-gnu -relocation-model=pic < %s | FileCheck %s
; RUN: llc -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
|
