1643f01232
Musttail calls require extra handling to properly propagate the calling convention information and tail call information. The outliner does not currently do this, so we ignore call instructions that utilize the swifttailcc and tailcc calling convention as well as functions marked with the attribute musttail. Reviewers: paquette, aschwaighofer Differential Revision: https://reviews.llvm.org/D120733
34 lines
976 B
LLVM
34 lines
976 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs
|
|
; RUN: opt -S -verify -iroutliner -ir-outlining-no-cost < %s | FileCheck %s
|
|
|
|
; Check that we not do outline musttail calls when tailcc is present.
|
|
|
|
declare tailcc void @musttail()
|
|
|
|
define tailcc void @f1() {
|
|
%a = alloca i32, align 4
|
|
store i32 2, i32* %a, align 4
|
|
musttail call tailcc void @musttail()
|
|
ret void
|
|
}
|
|
|
|
define tailcc void @f2() {
|
|
%a = alloca i32, align 4
|
|
store i32 2, i32* %a, align 4
|
|
musttail call tailcc void @musttail()
|
|
ret void
|
|
}
|
|
; CHECK-LABEL: @f1(
|
|
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
|
|
; CHECK-NEXT: store i32 2, i32* [[A]], align 4
|
|
; CHECK-NEXT: musttail call tailcc void @musttail()
|
|
; CHECK-NEXT: ret void
|
|
;
|
|
;
|
|
; CHECK-LABEL: @f2(
|
|
; CHECK-NEXT: [[A:%.*]] = alloca i32, align 4
|
|
; CHECK-NEXT: store i32 2, i32* [[A]], align 4
|
|
; CHECK-NEXT: musttail call tailcc void @musttail()
|
|
; CHECK-NEXT: ret void
|
|
;
|