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| author | Jingyue Wu <jingyue@google.com> | 2015-05-13 00:03:17 +0000 |
|---|---|---|
| committer | Jingyue Wu <jingyue@google.com> | 2015-05-13 00:03:17 +0000 |
| commit | 4b6125d788454a7794d5b4a13acc09358105e621 (patch) | |
| tree | 8efafabcada4ae6a2d59fef0deaf827c81dd696d /llvm/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll | |
| parent | a1d39ba940498283f16a3b83507d2e68e269e270 (diff) | |
| download | bcm5719-llvm-4b6125d788454a7794d5b4a13acc09358105e621.tar.gz bcm5719-llvm-4b6125d788454a7794d5b4a13acc09358105e621.zip | |
[SLSR] handles non-canonicalized Mul candidates
such as (2 + B) * S.
Tested by @non_canonicalized in slsr-mul.ll
llvm-svn: 237216
Diffstat (limited to 'llvm/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll')
| -rw-r--r-- | llvm/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll b/llvm/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll index 97e68d5bf51..9b9fc9de4ff 100644 --- a/llvm/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll +++ b/llvm/test/Transforms/StraightLineStrengthReduce/slsr-mul.ll @@ -23,6 +23,27 @@ define void @slsr1(i32 %b, i32 %s) { ret void } +define void @non_canonicalized(i32 %b, i32 %s) { +; CHECK-LABEL: @non_canonicalized( + ; foo(b * s); + %mul0 = mul i32 %b, %s +; CHECK: mul i32 +; CHECK-NOT: mul i32 + call void @foo(i32 %mul0) + + ; foo((1 + b) * s); + %b1 = add i32 1, %b + %mul1 = mul i32 %b1, %s + call void @foo(i32 %mul1) + + ; foo((2 + b) * s); + %b2 = add i32 2, %b + %mul2 = mul i32 %b2, %s + call void @foo(i32 %mul2) + + ret void +} + ; foo(a * b) ; foo((a + 1) * b) ; foo(a * (b + 1)) |
