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llvm-mirror/test/Transforms/GVN/2008-02-12-UndefLoad.ll
Dan Gohman 205b641954 Change tests from "opt %s" to "opt < %s" so that opt doesn't see the
input filename so that opt doesn't print the input filename in the
output so that grep lines in the tests don't unintentionally match
strings in the input filename.

llvm-svn: 81537
2009-09-11 18:01:28 +00:00

21 lines
741 B
LLVM

; RUN: opt < %s -gvn -S | not grep load
; PR1996
%struct.anon = type { i32, i8, i8, i8, i8 }
define i32 @a() {
entry:
%c = alloca %struct.anon ; <%struct.anon*> [#uses=2]
%tmp = getelementptr %struct.anon* %c, i32 0, i32 0 ; <i32*> [#uses=1]
%tmp1 = getelementptr i32* %tmp, i32 1 ; <i32*> [#uses=2]
%tmp2 = load i32* %tmp1, align 4 ; <i32> [#uses=1]
%tmp3 = or i32 %tmp2, 11 ; <i32> [#uses=1]
%tmp4 = and i32 %tmp3, -21 ; <i32> [#uses=1]
store i32 %tmp4, i32* %tmp1, align 4
%call = call i32 (...)* @x( %struct.anon* %c ) ; <i32> [#uses=0]
ret i32 undef
}
declare i32 @x(...)