diff options
| author | Sanjay Patel <spatel@rotateright.com> | 2018-08-08 16:04:48 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2018-08-08 16:04:48 +0000 |
| commit | 2054dd79c200f2a3b7d6e770dd92a1908fbc25dc (patch) | |
| tree | 660a9051e1b6f2090d0e45020300294b35034709 /llvm/test | |
| parent | 58df0e4d2cc7269d4cf54a5aa020dcd66ac0cf34 (diff) | |
| download | bcm5719-llvm-2054dd79c200f2a3b7d6e770dd92a1908fbc25dc.tar.gz bcm5719-llvm-2054dd79c200f2a3b7d6e770dd92a1908fbc25dc.zip | |
[InstCombine] fold fsub+fsub with common operand
This is a sibling to the simplify from:
rL339171
llvm-svn: 339266
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/fast-math.ll | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/llvm/test/Transforms/InstCombine/fast-math.ll b/llvm/test/Transforms/InstCombine/fast-math.ll index 7ea9beb8456..8a802105885 100644 --- a/llvm/test/Transforms/InstCombine/fast-math.ll +++ b/llvm/test/Transforms/InstCombine/fast-math.ll @@ -335,8 +335,8 @@ define <2 x float> @fsub_fadd_common_op_fneg_commute_vec(<2 x float> %x, <2 x fl define float @fsub_fsub_common_op_fneg(float %x, float %y) { ; CHECK-LABEL: @fsub_fsub_common_op_fneg( -; CHECK-NEXT: [[TMP1:%.*]] = fsub reassoc nsz float -0.000000e+00, [[X:%.*]] -; CHECK-NEXT: ret float [[TMP1]] +; CHECK-NEXT: [[R:%.*]] = fsub reassoc nsz float -0.000000e+00, [[X:%.*]] +; CHECK-NEXT: ret float [[R]] ; %s = fsub float %y, %x %r = fsub reassoc nsz float %s, %y @@ -347,8 +347,7 @@ define float @fsub_fsub_common_op_fneg(float %x, float %y) { define <2 x float> @fsub_fsub_common_op_fneg_vec(<2 x float> %x, <2 x float> %y) { ; CHECK-LABEL: @fsub_fsub_common_op_fneg_vec( -; CHECK-NEXT: [[S:%.*]] = fsub <2 x float> [[Y:%.*]], [[X:%.*]] -; CHECK-NEXT: [[R:%.*]] = fsub reassoc nsz <2 x float> [[S]], [[Y]] +; CHECK-NEXT: [[R:%.*]] = fsub reassoc nsz <2 x float> <float -0.000000e+00, float -0.000000e+00>, [[X:%.*]] ; CHECK-NEXT: ret <2 x float> [[R]] ; %s = fsub <2 x float> %y, %x |
