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| author | Mehdi Amini <mehdi.amini@apple.com> | 2015-02-23 18:30:25 +0000 |
|---|---|---|
| committer | Mehdi Amini <mehdi.amini@apple.com> | 2015-02-23 18:30:25 +0000 |
| commit | cd3ca6f7dd8122254ec1165d893a73e4679baf3c (patch) | |
| tree | 5c013ec2c68196d5180450ab739d2a5d0c36f4f2 /llvm/test/Transforms/InstSimplify/fast-math.ll | |
| parent | cf0698987bff6ce3499f93912592d282b895b2b0 (diff) | |
| download | bcm5719-llvm-cd3ca6f7dd8122254ec1165d893a73e4679baf3c.tar.gz bcm5719-llvm-cd3ca6f7dd8122254ec1165d893a73e4679baf3c.zip | |
InstSimplify: simplify 0 / X if nnan and nsz
From: Fiona Glaser <fglaser@apple.com>
llvm-svn: 230238
Diffstat (limited to 'llvm/test/Transforms/InstSimplify/fast-math.ll')
| -rw-r--r-- | llvm/test/Transforms/InstSimplify/fast-math.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstSimplify/fast-math.ll b/llvm/test/Transforms/InstSimplify/fast-math.ll index 71d1ed83849..e7fb14d7e78 100644 --- a/llvm/test/Transforms/InstSimplify/fast-math.ll +++ b/llvm/test/Transforms/InstSimplify/fast-math.ll @@ -105,3 +105,12 @@ define float @nofold_fadd_x_0(float %a) { ; CHECK: ret float %no_zero ret float %no_zero } + +; fdiv nsz nnan 0, X ==> 0 +define double @fdiv_zero_by_x(double %X) { +; CHECK-LABEL: @fdiv_zero_by_x( +; 0 / X -> 0 + %r = fdiv nnan nsz double 0.0, %X + ret double %r +; CHECK: ret double 0 +} |
