bolt/deps/llvm-18.1.8/llvm/test/CodeGen/X86/zero-remat.ll
2025-02-14 19:21:04 +01:00

53 lines
1.5 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; REQUIRES: asserts
; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s --check-prefix=CHECK-64
; RUN: llc < %s -mtriple=x86_64-- -o /dev/null -stats -info-output-file - | grep asm-printer | grep 12
; RUN: llc < %s -mtriple=i686-- | FileCheck %s --check-prefix=CHECK-32
declare void @bar(double %x)
declare void @barf(float %x)
define double @foo() nounwind {
; CHECK-64-LABEL: foo:
; CHECK-64: # %bb.0:
; CHECK-64-NEXT: pushq %rax
; CHECK-64-NEXT: xorps %xmm0, %xmm0
; CHECK-64-NEXT: callq bar@PLT
; CHECK-64-NEXT: xorps %xmm0, %xmm0
; CHECK-64-NEXT: popq %rax
; CHECK-64-NEXT: retq
;
; CHECK-32-LABEL: foo:
; CHECK-32: # %bb.0:
; CHECK-32-NEXT: subl $8, %esp
; CHECK-32-NEXT: fldz
; CHECK-32-NEXT: fstpl (%esp)
; CHECK-32-NEXT: calll bar@PLT
; CHECK-32-NEXT: fldz
; CHECK-32-NEXT: addl $8, %esp
; CHECK-32-NEXT: retl
call void @bar(double 0.0)
ret double 0.0
}
define float @foof() nounwind {
; CHECK-64-LABEL: foof:
; CHECK-64: # %bb.0:
; CHECK-64-NEXT: pushq %rax
; CHECK-64-NEXT: xorps %xmm0, %xmm0
; CHECK-64-NEXT: callq barf@PLT
; CHECK-64-NEXT: xorps %xmm0, %xmm0
; CHECK-64-NEXT: popq %rax
; CHECK-64-NEXT: retq
;
; CHECK-32-LABEL: foof:
; CHECK-32: # %bb.0:
; CHECK-32-NEXT: pushl $0
; CHECK-32-NEXT: calll barf@PLT
; CHECK-32-NEXT: addl $4, %esp
; CHECK-32-NEXT: fldz
; CHECK-32-NEXT: retl
call void @barf(float 0.0)
ret float 0.0
}