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author | Chris Lattner <sabre@nondot.org> | 2006-10-04 06:56:02 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2006-10-04 06:56:02 +0000 |
commit | af9f4973aaf1cd3338c9dcc03c419b69f4d6dc9a (patch) | |
tree | e987c80f2cd38f0282691590443df4df14cbdfb0 | |
parent | 68e8b9e775db991486c38146536b6fe1100c7cca (diff) | |
download | external_llvm-af9f4973aaf1cd3338c9dcc03c419b69f4d6dc9a.zip external_llvm-af9f4973aaf1cd3338c9dcc03c419b69f4d6dc9a.tar.gz external_llvm-af9f4973aaf1cd3338c9dcc03c419b69f4d6dc9a.tar.bz2 |
pattern match min/max nodes
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30718 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | test/CodeGen/X86/scalar_sse_minmax.ll | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/CodeGen/X86/scalar_sse_minmax.ll b/test/CodeGen/X86/scalar_sse_minmax.ll new file mode 100644 index 0000000..b2217f9 --- /dev/null +++ b/test/CodeGen/X86/scalar_sse_minmax.ll @@ -0,0 +1,37 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse1,+sse2 | grep mins | wc -l | grep 2 && +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse1,+sse2 | grep maxs | wc -l | grep 2 + +declare bool %llvm.isunordered.f64( double %x, double %y ) +declare bool %llvm.isunordered.f32( float %x, float %y ) + +implementation + +float %min1(float %x, float %y) { + %tmp = setlt float %x, %y ; <bool> [#uses=1] + %retval = select bool %tmp, float %x, float %y ; <float> [#uses=1] + ret float %retval +} +double %min2(double %x, double %y) { + %tmp = setlt double %x, %y + %retval = select bool %tmp, double %x, double %y + ret double %retval +} + +float %max1(float %x, float %y) { + %tmp = setge float %x, %y ; <bool> [#uses=1] + %tmp2 = tail call bool %llvm.isunordered.f32( float %x, float %y ) + %tmp3 = or bool %tmp2, %tmp ; <bool> [#uses=1] + %retval = select bool %tmp3, float %x, float %y + ret float %retval +} + +double %max2(double %x, double %y) { + %tmp = setge double %x, %y ; <bool> [#uses=1] + %tmp2 = tail call bool %llvm.isunordered.f64( double %x, double %y ) + %tmp3 = or bool %tmp2, %tmp ; <bool> [#uses=1] + %retval = select bool %tmp3, double %x, double %y + ret double %retval +} + + + |