llvm-project/llvm/test/CodeGen/X86/red-zone.ll

26 lines
573 B
LLVM

; RUN: llc < %s -mcpu=generic -mtriple=x86_64-linux | FileCheck %s
; First without noredzone.
; CHECK-LABEL: f0:
; CHECK: -4(%rsp)
; CHECK: -4(%rsp)
; CHECK: ret
define x86_fp80 @f0(float %f) nounwind readnone {
entry:
%0 = fpext float %f to x86_fp80 ; <x86_fp80> [#uses=1]
ret x86_fp80 %0
}
; Then with noredzone.
; CHECK-LABEL: f1:
; CHECK: subq $4, %rsp
; CHECK: (%rsp)
; CHECK: (%rsp)
; CHECK: addq $4, %rsp
; CHECK: ret
define x86_fp80 @f1(float %f) nounwind readnone noredzone {
entry:
%0 = fpext float %f to x86_fp80 ; <x86_fp80> [#uses=1]
ret x86_fp80 %0
}