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| author | Sanjay Patel <spatel@rotateright.com> | 2016-09-12 19:50:08 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2016-09-12 19:50:08 +0000 |
| commit | dea26950a020bfb65aeedcc5d2afaa574adbedbb (patch) | |
| tree | 1b55f74f8446d9a9f01917c74b5c70e843d0b916 /llvm/test/Transforms/InstCombine/zext-bool-add-sub.ll | |
| parent | 2eea9a1d58839efb5c1359f88a7abc5d087de3f0 (diff) | |
| download | bcm5719-llvm-dea26950a020bfb65aeedcc5d2afaa574adbedbb.tar.gz bcm5719-llvm-dea26950a020bfb65aeedcc5d2afaa574adbedbb.zip | |
[InstCombine] add test for PR30327
llvm-svn: 281248
Diffstat (limited to 'llvm/test/Transforms/InstCombine/zext-bool-add-sub.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/zext-bool-add-sub.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/zext-bool-add-sub.ll b/llvm/test/Transforms/InstCombine/zext-bool-add-sub.ll index 735b07c6b92..d252ad0c011 100644 --- a/llvm/test/Transforms/InstCombine/zext-bool-add-sub.ll +++ b/llvm/test/Transforms/InstCombine/zext-bool-add-sub.ll @@ -1,5 +1,6 @@ ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -instcombine -S | FileCheck %s + ; rdar://11748024 define i32 @a(i1 zeroext %x, i1 zeroext %y) { @@ -17,3 +18,16 @@ define i32 @a(i1 zeroext %x, i1 zeroext %y) { ret i32 %add } +define i32 @PR30273(i1 %a, i1 %b) { +; CHECK-LABEL: @PR30273( +; CHECK-NEXT: [[ZEXT:%.*]] = zext i1 %a to i32 +; CHECK-NEXT: [[SEL1:%.*]] = select i1 %a, i32 2, i32 1 +; CHECK-NEXT: [[SEL2:%.*]] = select i1 %b, i32 [[SEL1]], i32 [[ZEXT]] +; CHECK-NEXT: ret i32 [[SEL2]] +; + %zext = zext i1 %a to i32 + %sel1 = select i1 %a, i32 2, i32 1 + %sel2 = select i1 %b, i32 %sel1, i32 %zext + ret i32 %sel2 +} + |
