xray-tail-call-sled.ll
1.33 KB
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; RUN: llc -filetype=asm -relocation-model=pic -o - -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
define i32 @callee() nounwind noinline uwtable "function-instrument"="xray-always" {
; CHECK-LABEL: .Ltmp0:
; CHECK: b .Ltmp1
; CHECK-NEXT: nop
; CHECK-NEXT: std 0, -8(1)
; CHECK-NEXT: mflr 0
; CHECK-NEXT: bl __xray_FunctionEntry
; CHECK-NEXT: nop
; CHECK-NEXT: mtlr 0
; CHECK-LABEL: .Ltmp1:
ret i32 0
; CHECK-LABEL: .Ltmp2:
; CHECK: blr
; CHECK-NEXT: nop
; CHECK-NEXT: std 0, -8(1)
; CHECK-NEXT: mflr 0
; CHECK-NEXT: bl __xray_FunctionExit
; CHECK-NEXT: nop
; CHECK-NEXT: mtlr 0
}
define i32 @caller() nounwind noinline uwtable "function-instrument"="xray-always" {
; CHECK-LABEL: .Ltmp3:
; CHECK: b .Ltmp4
; CHECK-NEXT: nop
; CHECK-NEXT: std 0, -8(1)
; CHECK-NEXT: mflr 0
; CHECK-NEXT: bl __xray_FunctionEntry
; CHECK-NEXT: nop
; CHECK-NEXT: mtlr 0
; CHECK-LABEL: .Ltmp4:
%retval = tail call i32 @callee()
ret i32 %retval
; CHECK-LABEL: .Ltmp5:
; CHECK: blr
; CHECK-NEXT: nop
; CHECK-NEXT: std 0, -8(1)
; CHECK-NEXT: mflr 0
; CHECK-NEXT: bl __xray_FunctionExit
; CHECK-NEXT: nop
; CHECK-NEXT: mtlr 0
}