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| author | Chris Lattner <sabre@nondot.org> | 2010-01-08 19:02:23 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-01-08 19:02:23 +0000 |
| commit | b31189f26297fe30214da3e8d14a4575d5fdd262 (patch) | |
| tree | c3b785a1cfdb4cc14fe11423eb881ea06614aa8f /test/Transforms/ConstProp | |
| parent | 54a57045ebcf8e31b1542098d1cd2bda9a718725 (diff) | |
| download | llvm-b31189f26297fe30214da3e8d14a4575d5fdd262.tar.gz llvm-b31189f26297fe30214da3e8d14a4575d5fdd262.tar.bz2 llvm-b31189f26297fe30214da3e8d14a4575d5fdd262.tar.xz | |
fix PR5978 by peeling the loop so that we avoid shifting the
result int by 8 for the first byte. While normally harmless,
if the result is smaller than a byte, this shift is invalid.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93018 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/ConstProp')
| -rw-r--r-- | test/Transforms/ConstProp/loads.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test/Transforms/ConstProp/loads.ll b/test/Transforms/ConstProp/loads.ll index 9151d256b0..9fbba2b355 100644 --- a/test/Transforms/ConstProp/loads.ll +++ b/test/Transforms/ConstProp/loads.ll @@ -110,3 +110,13 @@ define i16 @test12() { ; CHECK: @test12 ; CHECK: ret i16 98 } + + +; PR5978 +@g5 = constant i8 4 +define i1 @test13() { + %A = load i1* bitcast (i8* @g5 to i1*) + ret i1 %A +; CHECK: @test13 +; CHECK: ret i1 false +} |