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Diffstat (limited to 'test/CodeGen/X86/fp-in-intregs.ll')
| -rw-r--r-- | test/CodeGen/X86/fp-in-intregs.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fp-in-intregs.ll b/test/CodeGen/X86/fp-in-intregs.ll new file mode 100644 index 0000000000..1e3ea8918d --- /dev/null +++ b/test/CodeGen/X86/fp-in-intregs.ll @@ -0,0 +1,21 @@ +; RUN: llvm-as < %s | llc -march=x86 -mcpu=yonah | not egrep {\(\(xor\|and\)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 = sub 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 + |