diff options
Diffstat (limited to 'test/Transforms/InstCombine/fast-math.ll')
| -rw-r--r-- | test/Transforms/InstCombine/fast-math.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/fast-math.ll b/test/Transforms/InstCombine/fast-math.ll index de51c49468..2ee4b0f2c3 100644 --- a/test/Transforms/InstCombine/fast-math.ll +++ b/test/Transforms/InstCombine/fast-math.ll @@ -259,6 +259,14 @@ define float @fmul3(float %f1, float %f2) { ; CHECK: fmul fast float %f1, 3.000000e+00 } +define <4 x float> @fmul3_vec(<4 x float> %f1, <4 x float> %f2) { + %t1 = fdiv <4 x float> %f1, <float 2.0e+3, float 3.0e+3, float 2.0e+3, float 1.0e+3> + %t3 = fmul fast <4 x float> %t1, <float 6.0e+3, float 6.0e+3, float 2.0e+3, float 1.0e+3> + ret <4 x float> %t3 +; CHECK-LABEL: @fmul3_vec( +; CHECK: fmul fast <4 x float> %f1, <float 3.000000e+00, float 2.000000e+00, float 1.000000e+00, float 1.000000e+00> +} + ; Rule "X/C1 * C2 => X * (C2/C1) is not applicable if C2/C1 is either a special ; value of a denormal. The 0x3810000000000000 here take value FLT_MIN ; @@ -345,6 +353,15 @@ define float @fdiv2(float %x) { ; CHECK: fmul fast float %x, 0x3FE0B21660000000 } +define <2 x float> @fdiv2_vec(<2 x float> %x) { + %mul = fmul <2 x float> %x, <float 6.0, float 9.0> + %div1 = fdiv fast <2 x float> %mul, <float 2.0, float 3.0> + ret <2 x float> %div1 + +; CHECK-LABEL: @fdiv2_vec( +; CHECK: fmul fast <2 x float> %x, <float 3.000000e+00, float 3.000000e+00> +} + ; "X/C1 / C2 => X * (1/(C2*C1))" is disabled (for now) is C2/C1 is a denormal ; define float @fdiv3(float %x) { |