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| author | Craig Topper <craig.topper@gmail.com> | 2017-04-17 03:41:47 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2017-04-17 03:41:47 +0000 |
| commit | 218a359fbdb697cdcf89950238cac367abc5d52b (patch) | |
| tree | 77a54d562f2ee7a5752c508674dc6adfe498b11d /llvm/test/Transforms | |
| parent | eee53c030a35bef75085a5a4070009ecedeaebbc (diff) | |
| download | bcm5719-llvm-218a359fbdb697cdcf89950238cac367abc5d52b.tar.gz bcm5719-llvm-218a359fbdb697cdcf89950238cac367abc5d52b.zip | |
[InstCombine] Simplify 1/X for vectors.
llvm-svn: 300439
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/div.ll | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/test/Transforms/InstCombine/div.ll b/llvm/test/Transforms/InstCombine/div.ll index ab72f2cc5f5..796fce020fd 100644 --- a/llvm/test/Transforms/InstCombine/div.ll +++ b/llvm/test/Transforms/InstCombine/div.ll @@ -227,7 +227,8 @@ define i32 @test19(i32 %x) { define <2 x i32> @test19vec(<2 x i32> %x) { ; CHECK-LABEL: @test19vec( -; CHECK-NEXT: [[A:%.*]] = udiv <2 x i32> <i32 1, i32 1>, [[X:%.*]] +; CHECK-NEXT: [[TMP1:%.*]] = icmp eq <2 x i32> [[X:%.*]], <i32 1, i32 1> +; CHECK-NEXT: [[A:%.*]] = zext <2 x i1> [[TMP1]] to <2 x i32> ; CHECK-NEXT: ret <2 x i32> [[A]] ; %A = udiv <2 x i32> <i32 1, i32 1>, %x @@ -247,7 +248,9 @@ define i32 @test20(i32 %x) { define <2 x i32> @test20vec(<2 x i32> %x) { ; CHECK-LABEL: @test20vec( -; CHECK-NEXT: [[A:%.*]] = sdiv <2 x i32> <i32 1, i32 1>, [[X:%.*]] +; CHECK-NEXT: [[TMP1:%.*]] = add <2 x i32> [[X:%.*]], <i32 1, i32 1> +; CHECK-NEXT: [[TMP2:%.*]] = icmp ult <2 x i32> [[TMP1]], <i32 3, i32 3> +; CHECK-NEXT: [[A:%.*]] = select <2 x i1> [[TMP2]], <2 x i32> [[X]], <2 x i32> zeroinitializer ; CHECK-NEXT: ret <2 x i32> [[A]] ; %A = sdiv <2 x i32> <i32 1, i32 1>, %x |
