[llvm-commits] CVS: llvm/test/Regression/CodeGen/X86/scalar_sse_minmax.ll

Chris Lattner sabre at nondot.org
Wed Oct 4 01:56:16 CDT 2006



Changes in directory llvm/test/Regression/CodeGen/X86:

scalar_sse_minmax.ll added (r1.1)
---
Log message:

pattern match min/max nodes


---
Diffs of the changes:  (+37 -0)

 scalar_sse_minmax.ll |   37 +++++++++++++++++++++++++++++++++++++
 1 files changed, 37 insertions(+)


Index: llvm/test/Regression/CodeGen/X86/scalar_sse_minmax.ll
diff -c /dev/null llvm/test/Regression/CodeGen/X86/scalar_sse_minmax.ll:1.1
*** /dev/null	Wed Oct  4 01:56:12 2006
--- llvm/test/Regression/CodeGen/X86/scalar_sse_minmax.ll	Wed Oct  4 01:56:02 2006
***************
*** 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
+ }
+ 
+ 
+ 






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