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| author | David Majnemer <david.majnemer@gmail.com> | 2014-10-27 05:47:49 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2014-10-27 05:47:49 +0000 |
| commit | c8bdd23acfed7934c58804cb87ed8a43a7a9e20c (patch) | |
| tree | 31b884c2ef632179e0c4da4003232ef536085290 /llvm/test/Transforms | |
| parent | e853b4f2e42d80156272ebca58a8e92c79d2082a (diff) | |
| download | bcm5719-llvm-c8bdd23acfed7934c58804cb87ed8a43a7a9e20c.tar.gz bcm5719-llvm-c8bdd23acfed7934c58804cb87ed8a43a7a9e20c.zip | |
InstCombine: Fix a combine assuming that icmp operands were integers
An icmp may have pointer arguments, it isn't limited to integers or
vectors of integers.
This fixes PR21388.
llvm-svn: 220664
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/cast.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/cast.ll b/llvm/test/Transforms/InstCombine/cast.ll index 7d6a855d58e..578b16d9811 100644 --- a/llvm/test/Transforms/InstCombine/cast.ll +++ b/llvm/test/Transforms/InstCombine/cast.ll @@ -1084,3 +1084,12 @@ define float @overflow_sitofp() { ; CHECK-NEXT: ret float undef } +define i32 @PR21388(i32* %v) { + %icmp = icmp slt i32* %v, null + %sext = sext i1 %icmp to i32 + ret i32 %sext +; CHECK-LABEL: @PR21388( +; CHECK-NEXT: %[[icmp:.*]] = icmp slt i32* %v, null +; CHECK-NEXT: %[[sext:.*]] = sext i1 %[[icmp]] to i32 +; CHECK-NEXT: ret i32 %[[sext]] +} |
