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| author | Sanjay Patel <spatel@rotateright.com> | 2018-02-20 21:02:40 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2018-02-20 21:02:40 +0000 |
| commit | e29caaa9c5f6ad4606ac67feaacc6ffa0f121bf9 (patch) | |
| tree | 0e7a9847119d1b05d966519e7c1172bbc49d0edd /llvm/test/Transforms | |
| parent | ff7b777bbe621d45aa3705a60a142c3eb84e44db (diff) | |
| download | bcm5719-llvm-e29caaa9c5f6ad4606ac67feaacc6ffa0f121bf9.tar.gz bcm5719-llvm-e29caaa9c5f6ad4606ac67feaacc6ffa0f121bf9.zip | |
[PatternMatch] enhance m_SignMask() to ignore undef elements in vectors
llvm-svn: 325623
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/InstSimplify/AndOrXor.ll | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/llvm/test/Transforms/InstSimplify/AndOrXor.ll b/llvm/test/Transforms/InstSimplify/AndOrXor.ll index 55671430c4b..70c766097aa 100644 --- a/llvm/test/Transforms/InstSimplify/AndOrXor.ll +++ b/llvm/test/Transforms/InstSimplify/AndOrXor.ll @@ -16,9 +16,7 @@ define <2 x i32> @add_nsw_signbit(<2 x i32> %x) { define <2 x i32> @add_nsw_signbit_undef(<2 x i32> %x) { ; CHECK-LABEL: @add_nsw_signbit_undef( -; CHECK-NEXT: [[Y:%.*]] = xor <2 x i32> [[X:%.*]], <i32 undef, i32 -2147483648> -; CHECK-NEXT: [[Z:%.*]] = add nsw <2 x i32> [[Y]], <i32 -2147483648, i32 undef> -; CHECK-NEXT: ret <2 x i32> [[Z]] +; CHECK-NEXT: ret <2 x i32> [[X:%.*]] ; %y = xor <2 x i32> %x, <i32 undef, i32 -2147483648> %z = add nsw <2 x i32> %y, <i32 -2147483648, i32 undef> @@ -40,9 +38,7 @@ define <2 x i5> @add_nuw_signbit(<2 x i5> %x) { define <2 x i5> @add_nuw_signbit_undef(<2 x i5> %x) { ; CHECK-LABEL: @add_nuw_signbit_undef( -; CHECK-NEXT: [[Y:%.*]] = xor <2 x i5> [[X:%.*]], <i5 -16, i5 undef> -; CHECK-NEXT: [[Z:%.*]] = add nuw <2 x i5> [[Y]], <i5 undef, i5 -16> -; CHECK-NEXT: ret <2 x i5> [[Z]] +; CHECK-NEXT: ret <2 x i5> [[X:%.*]] ; %y = xor <2 x i5> %x, <i5 -16, i5 undef> %z = add nuw <2 x i5> %y, <i5 undef, i5 -16> |
