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-rw-r--r--test/CodeGen/X86/scalar_sse_minmax.ll37
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
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+++ b/test/CodeGen/X86/scalar_sse_minmax.ll
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+; 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
+}
+
+
+