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| author | Dan Gohman <gohman@apple.com> | 2009-09-03 20:34:31 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-09-03 20:34:31 +0000 |
| commit | d0d5e685daf79262e38a5fe7e782c0372b2cf9f4 (patch) | |
| tree | 6c12184afb09aa65d1ef0191a1d80e8553615f6b /llvm/test/CodeGen/X86/sse-minmax.ll | |
| parent | 3c8a7dfada1d39b33a24f58e039d6ba5c6cb3857 (diff) | |
| download | bcm5719-llvm-d0d5e685daf79262e38a5fe7e782c0372b2cf9f4.tar.gz bcm5719-llvm-d0d5e685daf79262e38a5fe7e782c0372b2cf9f4.zip | |
Recognize more opportunities to use SSE min and max instructions,
swapping the operands if necessary.
llvm-svn: 80940
Diffstat (limited to 'llvm/test/CodeGen/X86/sse-minmax.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/sse-minmax.ll | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/sse-minmax.ll b/llvm/test/CodeGen/X86/sse-minmax.ll new file mode 100644 index 00000000000..a346164c0f1 --- /dev/null +++ b/llvm/test/CodeGen/X86/sse-minmax.ll @@ -0,0 +1,73 @@ +; RUN: llvm-as < %s | llc -march=x86-64 | FileCheck %s + +; CHECK: clampTo3k_a: +; CHECK: minsd +define double @clampTo3k_a(double %x) nounwind readnone { +entry: + %0 = fcmp ogt double %x, 3.000000e+03 ; <i1> [#uses=1] + %x_addr.0 = select i1 %0, double 3.000000e+03, double %x ; <double> [#uses=1] + ret double %x_addr.0 +} + +; CHECK: clampTo3k_b: +; CHECK: minsd +define double @clampTo3k_b(double %x) nounwind readnone { +entry: + %0 = fcmp uge double %x, 3.000000e+03 ; <i1> [#uses=1] + %x_addr.0 = select i1 %0, double 3.000000e+03, double %x ; <double> [#uses=1] + ret double %x_addr.0 +} + +; CHECK: clampTo3k_c: +; CHECK: maxsd +define double @clampTo3k_c(double %x) nounwind readnone { +entry: + %0 = fcmp olt double %x, 3.000000e+03 ; <i1> [#uses=1] + %x_addr.0 = select i1 %0, double 3.000000e+03, double %x ; <double> [#uses=1] + ret double %x_addr.0 +} + +; CHECK: clampTo3k_d: +; CHECK: maxsd +define double @clampTo3k_d(double %x) nounwind readnone { +entry: + %0 = fcmp ule double %x, 3.000000e+03 ; <i1> [#uses=1] + %x_addr.0 = select i1 %0, double 3.000000e+03, double %x ; <double> [#uses=1] + ret double %x_addr.0 +} + +; CHECK: clampTo3k_e: +; CHECK: maxsd +define double @clampTo3k_e(double %x) nounwind readnone { +entry: + %0 = fcmp olt double %x, 3.000000e+03 ; <i1> [#uses=1] + %x_addr.0 = select i1 %0, double 3.000000e+03, double %x ; <double> [#uses=1] + ret double %x_addr.0 +} + +; CHECK: clampTo3k_f: +; CHECK: maxsd +define double @clampTo3k_f(double %x) nounwind readnone { +entry: + %0 = fcmp ule double %x, 3.000000e+03 ; <i1> [#uses=1] + %x_addr.0 = select i1 %0, double 3.000000e+03, double %x ; <double> [#uses=1] + ret double %x_addr.0 +} + +; CHECK: clampTo3k_g: +; CHECK: minsd +define double @clampTo3k_g(double %x) nounwind readnone { +entry: + %0 = fcmp ogt double %x, 3.000000e+03 ; <i1> [#uses=1] + %x_addr.0 = select i1 %0, double 3.000000e+03, double %x ; <double> [#uses=1] + ret double %x_addr.0 +} + +; CHECK: clampTo3k_h: +; CHECK: minsd +define double @clampTo3k_h(double %x) nounwind readnone { +entry: + %0 = fcmp uge double %x, 3.000000e+03 ; <i1> [#uses=1] + %x_addr.0 = select i1 %0, double 3.000000e+03, double %x ; <double> [#uses=1] + ret double %x_addr.0 +} |
