llvm-project/llvm/test/CodeGen/X86/GlobalISel/calllowering-tailcall.ll
Evgenii Kudriashov 790bcecce6
[GlobalISel] Fix a check that aligned tail call is lowered (#82016)
Despite of a valid tail call opportunity, backends still may not
generate a tail call or such lowering is not implemented yet.

Check that lowering has happened instead of its possibility when
generating G_ASSERT_ALIGN.
2024-02-23 12:11:50 +01:00

25 lines
730 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc -mtriple=x86_64-linux-gnu -global-isel < %s | FileCheck %s --check-prefix=X64
; RUN: llc -mtriple=i686-linux-gnu -global-isel < %s | FileCheck %s --check-prefix=X86
declare ptr @foo()
define ptr @aligned_tailcall() nounwind {
; X64-LABEL: aligned_tailcall:
; X64: # %bb.0: # %entry
; X64-NEXT: pushq %rax
; X64-NEXT: callq foo
; X64-NEXT: popq %rcx
; X64-NEXT: retq
;
; X86-LABEL: aligned_tailcall:
; X86: # %bb.0: # %entry
; X86-NEXT: subl $12, %esp
; X86-NEXT: calll foo
; X86-NEXT: addl $12, %esp
; X86-NEXT: retl
entry:
%call = tail call align 8 ptr @foo()
ret ptr %call
}