diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/fast-math.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/fast-math.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/fast-math.ll b/llvm/test/Transforms/InstCombine/fast-math.ll index 47f1ec48046..edcbcc71dfb 100644 --- a/llvm/test/Transforms/InstCombine/fast-math.ll +++ b/llvm/test/Transforms/InstCombine/fast-math.ll @@ -130,6 +130,16 @@ define double @fail2(double %f1, double %f2) { ; CHECK: ret } +; c1 * x - x => (c1 - 1.0) * x +define float @fold13(float %x) { + %mul = fmul fast float %x, 7.000000e+00 + %sub = fsub fast float %mul, %x + ret float %sub +; CHECK: fold13 +; CHECK: fmul fast float %x, 6.000000e+00 +; CHECK: ret +} + ; ========================================================================= ; ; Testing-cases about fmul begin |
