llvm-6502/test/CodeGen/X86/fp-in-intregs.ll
2010-12-29 03:58:36 +00:00

23 lines
673 B
LLVM

; RUN: llc < %s -march=x86 -mcpu=yonah | FileCheck %s
; CHECK-NOT: {{((xor|and)ps|movd)}}
; These operations should be done in integer registers, eliminating constant
; pool loads, movd's etc.
define i32 @test1(float %x) nounwind {
entry:
%tmp2 = fsub float -0.000000e+00, %x ; <float> [#uses=1]
%tmp210 = bitcast float %tmp2 to i32 ; <i32> [#uses=1]
ret i32 %tmp210
}
define i32 @test2(float %x) nounwind {
entry:
%tmp2 = tail call float @copysignf( float 1.000000e+00, float %x ) nounwind readnone ; <float> [#uses=1]
%tmp210 = bitcast float %tmp2 to i32 ; <i32> [#uses=1]
ret i32 %tmp210
}
declare float @copysignf(float, float) nounwind readnone