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llvm-mirror/test/Transforms/InstCombine/2008-06-13-ReadOnlyCallStore.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

20 lines
422 B
LLVM

; RUN: opt < %s -instcombine -S | grep {store i8} | count 2
define i32 @a(i8* %s) nounwind {
entry:
store i8 0, i8* %s, align 1 ; This store cannot be eliminated!
%tmp3 = call i32 @strlen( i8* %s ) nounwind readonly
%tmp5 = icmp ne i32 %tmp3, 0
br i1 %tmp5, label %bb, label %bb8
bb: ; preds = %entry
store i8 0, i8* %s, align 1
br label %bb8
bb8:
ret i32 %tmp3
}
declare i32 @strlen(i8*) nounwind readonly