llvm/test/CodeGen/X86/fold-xmm-zero.ll
2011-06-10 08:26:26 +00:00

35 lines
1.9 KiB
LLVM

; RUN: llc < %s -mtriple=i386-apple-macosx10.6.7 -mattr=+sse2 | FileCheck %s
; Simple test to make sure folding for special constants (like float zero)
; isn't completely broken.
; CHECK: divss LCPI0
%0 = type { float, float, float, float, float, float, float, float }
define void @f() nounwind ssp {
entry:
%0 = tail call %0 asm sideeffect "foo", "={xmm0},={xmm1},={xmm2},={xmm3},={xmm4},={xmm5},={xmm6},={xmm7},0,1,2,3,4,5,6,7,~{dirflag},~{fpsr},~{flags}"(float 1.000000e+00, float 2.000000e+00, float 3.000000e+00, float 4.000000e+00, float 5.000000e+00, float 6.000000e+00, float 7.000000e+00, float 8.000000e+00) nounwind
%asmresult = extractvalue %0 %0, 0
%asmresult8 = extractvalue %0 %0, 1
%asmresult9 = extractvalue %0 %0, 2
%asmresult10 = extractvalue %0 %0, 3
%asmresult11 = extractvalue %0 %0, 4
%asmresult12 = extractvalue %0 %0, 5
%asmresult13 = extractvalue %0 %0, 6
%asmresult14 = extractvalue %0 %0, 7
%div = fdiv float %asmresult, 0.000000e+00
%1 = tail call %0 asm sideeffect "bar", "={xmm0},={xmm1},={xmm2},={xmm3},={xmm4},={xmm5},={xmm6},={xmm7},0,1,2,3,4,5,6,7,~{dirflag},~{fpsr},~{flags}"(float %div, float %asmresult8, float %asmresult9, float %asmresult10, float %asmresult11, float %asmresult12, float %asmresult13, float %asmresult14) nounwind
%asmresult24 = extractvalue %0 %1, 0
%asmresult25 = extractvalue %0 %1, 1
%asmresult26 = extractvalue %0 %1, 2
%asmresult27 = extractvalue %0 %1, 3
%asmresult28 = extractvalue %0 %1, 4
%asmresult29 = extractvalue %0 %1, 5
%asmresult30 = extractvalue %0 %1, 6
%asmresult31 = extractvalue %0 %1, 7
%div33 = fdiv float %asmresult24, 0.000000e+00
%2 = tail call %0 asm sideeffect "baz", "={xmm0},={xmm1},={xmm2},={xmm3},={xmm4},={xmm5},={xmm6},={xmm7},0,1,2,3,4,5,6,7,~{dirflag},~{fpsr},~{flags}"(float %div33, float %asmresult25, float %asmresult26, float %asmresult27, float %asmresult28, float %asmresult29, float %asmresult30, float %asmresult31) nounwind
ret void
}