It's not necessary to do rounding for alloca operations when the requested

alignment is equal to the stack alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 44 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..61894a4
--- /dev/null
+++ b/test/CodeGen/X86/scalar_sse_minmax.ll
@@ -0,0 +1,44 @@
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 -mattr=+sse1,+sse2 | \
+; RUN:   grep mins | wc -l | grep 3
+; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 -mattr=+sse1,+sse2 | \
+; RUN:   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
+}
+
+<4 x float> %min3(float %tmp37) {
+        %tmp375 = insertelement <4 x float> undef, float %tmp37, uint 0
+        %tmp48 = tail call <4 x float> %llvm.x86.sse.min.ss( <4 x float> %tmp375, <4 x float> < float 6.553500e+04, float undef, float undef, float undef > )
+	ret <4 x float> %tmp48
+}
+
+declare <4 x float> %llvm.x86.sse.min.ss(<4 x float>, <4 x float>)