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authorChris Lattner <sabre@nondot.org>2009-05-08 15:54:41 +0000
committerChris Lattner <sabre@nondot.org>2009-05-08 15:54:41 +0000
commitef554846f061b9b467e7824f8d01e3c59778f3f6 (patch)
treef97e89519e8214fab89332ff73c363af96c57e33 /test/Transforms/ScalarRepl
parent4b7f7a6e1f3eacf116472c1b0d0eaddf01fa4495 (diff)
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fix RewriteStoreUserOfWholeAlloca to use the correct type size
method, fixing a crash on PR4146. While the store will ultimately overwrite the "padded size" number of bits in memory, the stored value may be a subset of this size. This function only wants to handle the case where all bits are stored. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71224 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/ScalarRepl')
-rw-r--r--test/Transforms/ScalarRepl/2009-05-08-I1Crash.ll12
1 files changed, 12 insertions, 0 deletions
diff --git a/test/Transforms/ScalarRepl/2009-05-08-I1Crash.ll b/test/Transforms/ScalarRepl/2009-05-08-I1Crash.ll
new file mode 100644
index 0000000000..0a604e9dcc
--- /dev/null
+++ b/test/Transforms/ScalarRepl/2009-05-08-I1Crash.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis
+; PR4146
+
+ %wrapper = type { i1 }
+
+define void @f() {
+entry:
+ %w = alloca %wrapper, align 8 ; <%wrapper*> [#uses=1]
+ %0 = getelementptr %wrapper* %w, i64 0, i32 0 ; <i1*>
+ store i1 true, i1* %0
+ ret void
+}