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authorDan Gohman <djg@cray.com>2007-07-18 16:29:46 +0000
committerDan Gohman <djg@cray.com>2007-07-18 16:29:46 +0000
commitf17a25c88b892d30c2b41ba7ecdfbdfb2b4be9cc (patch)
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It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
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diff --git a/test/Analysis/BasicAA/2003-09-19-LocalArgument.ll b/test/Analysis/BasicAA/2003-09-19-LocalArgument.ll
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+; In this test, a local alloca cannot alias an incoming argument.
+
+; RUN: llvm-upgrade < %s | llvm-as | opt -load-vn -gcse -instcombine | llvm-dis | not grep sub
+
+int %test(int* %P) {
+ %X = alloca int
+ %V1 = load int* %P
+ store int 0, int* %X
+ %V2 = load int* %P
+ %Diff = sub int %V1, %V2
+ ret int %Diff
+}