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| author | Eric Christopher <echristo@gmail.com> | 2019-04-17 04:52:47 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@gmail.com> | 2019-04-17 04:52:47 +0000 |
| commit | cee313d288a4faf0355d76fb6e0e927e211d08a5 (patch) | |
| tree | d386075318d761197779a96e5d8fc0dc7b06342b /llvm/test/Transforms/Reassociate/mixed-fast-nonfast-fp.ll | |
| parent | c3d6a929fdd92fd06d4304675ade8d7210ee711a (diff) | |
| download | bcm5719-llvm-cee313d288a4faf0355d76fb6e0e927e211d08a5.tar.gz bcm5719-llvm-cee313d288a4faf0355d76fb6e0e927e211d08a5.zip | |
Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.
Will be re-reverting again.
llvm-svn: 358552
Diffstat (limited to 'llvm/test/Transforms/Reassociate/mixed-fast-nonfast-fp.ll')
| -rw-r--r-- | llvm/test/Transforms/Reassociate/mixed-fast-nonfast-fp.ll | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/llvm/test/Transforms/Reassociate/mixed-fast-nonfast-fp.ll b/llvm/test/Transforms/Reassociate/mixed-fast-nonfast-fp.ll new file mode 100644 index 00000000000..14871f45b01 --- /dev/null +++ b/llvm/test/Transforms/Reassociate/mixed-fast-nonfast-fp.ll @@ -0,0 +1,42 @@ +; RUN: opt -reassociate %s -S | FileCheck %s + +define float @foo(float %a,float %b, float %c) { +; CHECK-LABEL: @foo( +; CHECK-NEXT: [[MUL3:%.*]] = fmul float %a, %b +; CHECK-NEXT: [[FACTOR:%.*]] = fmul fast float %c, 2.000000e+00 +; CHECK-NEXT: [[REASS_ADD1:%.*]] = fadd fast float [[FACTOR]], %b +; CHECK-NEXT: [[REASS_MUL:%.*]] = fmul fast float [[REASS_ADD1]], %a +; CHECK-NEXT: [[ADD3:%.*]] = fadd fast float [[REASS_MUL]], [[MUL3]] +; CHECK-NEXT: ret float [[ADD3]] +; + %mul1 = fmul fast float %a, %c + %mul2 = fmul fast float %a, %b + %mul3 = fmul float %a, %b ; STRICT + %mul4 = fmul fast float %a, %c + %add1 = fadd fast float %mul1, %mul3 + %add2 = fadd fast float %mul4, %mul2 + %add3 = fadd fast float %add1, %add2 + ret float %add3 +} + +define float @foo_reassoc(float %a,float %b, float %c) { +; CHECK-LABEL: @foo_reassoc( +; CHECK-NEXT: [[MUL1:%.*]] = fmul reassoc float %a, %c +; CHECK-NEXT: [[MUL2:%.*]] = fmul fast float %b, %a +; CHECK-NEXT: [[MUL3:%.*]] = fmul float %a, %b +; CHECK-NEXT: [[MUL4:%.*]] = fmul reassoc float %a, %c +; CHECK-NEXT: [[ADD1:%.*]] = fadd fast float [[MUL1]], [[MUL3]] +; CHECK-NEXT: [[ADD2:%.*]] = fadd reassoc float [[MUL2]], [[MUL4]] +; CHECK-NEXT: [[ADD3:%.*]] = fadd fast float [[ADD1]], [[ADD2]] +; CHECK-NEXT: ret float [[ADD3]] +; + %mul1 = fmul reassoc float %a, %c + %mul2 = fmul fast float %a, %b + %mul3 = fmul float %a, %b ; STRICT + %mul4 = fmul reassoc float %a, %c + %add1 = fadd fast float %mul1, %mul3 + %add2 = fadd reassoc float %mul4, %mul2 + %add3 = fadd fast float %add1, %add2 + ret float %add3 +} + |
