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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 | 8d44b28bc6f615b9ad79b066987d53b1ea2a2942 (patch) | |
| tree | 4bfaf2eca9b8910a15985d9d8c2ddf10625a5f99 /test/CodeGen/X86/sse-minmax.ll | |
| parent | 3653b13c52b9bce4fd9e2da3cbb893fc769adaec (diff) | |
| download | llvm-8d44b28bc6f615b9ad79b066987d53b1ea2a2942.tar.gz llvm-8d44b28bc6f615b9ad79b066987d53b1ea2a2942.tar.bz2 llvm-8d44b28bc6f615b9ad79b066987d53b1ea2a2942.tar.xz | |
Recognize more opportunities to use SSE min and max instructions,
swapping the operands if necessary.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80940 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/sse-minmax.ll')
| -rw-r--r-- | test/CodeGen/X86/sse-minmax.ll | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/test/CodeGen/X86/sse-minmax.ll b/test/CodeGen/X86/sse-minmax.ll new file mode 100644 index 0000000000..a346164c0f --- /dev/null +++ b/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 +} |