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| author | Eli Friedman <eli.friedman@gmail.com> | 2009-06-01 09:14:32 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2009-06-01 09:14:32 +0000 |
| commit | 41b33f437f70dcf63e35d08e5f4202258ef05c15 (patch) | |
| tree | d51fd14fc3b548f96c606472fa45d51022389ab0 /test | |
| parent | 3728a0253492cafc02893fc89890ed3452754970 (diff) | |
| download | external_llvm-41b33f437f70dcf63e35d08e5f4202258ef05c15.zip external_llvm-41b33f437f70dcf63e35d08e5f4202258ef05c15.tar.gz external_llvm-41b33f437f70dcf63e35d08e5f4202258ef05c15.tar.bz2 | |
PR4286: Make RewriteLoadUserOfWholeAlloca and
RewriteStoreUserOfWholeAlloca deal with tail padding because
isSafeUseOfBitCastedAllocation expects them to. Otherwise, we crash
trying to erase the bitcast.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72688 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/ScalarRepl/2009-06-01-BitcastIntPadding.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/Transforms/ScalarRepl/2009-06-01-BitcastIntPadding.ll b/test/Transforms/ScalarRepl/2009-06-01-BitcastIntPadding.ll new file mode 100644 index 0000000..ffdd679 --- /dev/null +++ b/test/Transforms/ScalarRepl/2009-06-01-BitcastIntPadding.ll @@ -0,0 +1,17 @@ +; RUN: llvm-as < %s | opt -scalarrepl +; PR4286 + +target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" +target triple = "x86_64-undermydesk-freebsd8.0" + %struct.singlebool = type <{ i8 }> + +define zeroext i8 @doit() nounwind { +entry: + %a = alloca %struct.singlebool, align 1 ; <%struct.singlebool*> [#uses=2] + %storetmp.i = bitcast %struct.singlebool* %a to i1* ; <i1*> [#uses=1] + store i1 true, i1* %storetmp.i + %tmp = getelementptr %struct.singlebool* %a, i64 0, i32 0 ; <i8*> [#uses=1] + %tmp1 = load i8* %tmp ; <i8> [#uses=1] + ret i8 %tmp1 +} + |