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llvm-mirror/test/Analysis/GlobalsModRef/indirect-global.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
507 B
LLVM

; RUN: opt < %s -globalsmodref-aa -gvn -instcombine -S | \
; RUN: grep {ret i32 0}
@G = internal global i32* null ; <i32**> [#uses=3]
define void @test() {
%A = malloc i32 ; <i32*> [#uses=1]
store i32* %A, i32** @G
ret void
}
define i32 @test1(i32* %P) {
%g1 = load i32** @G ; <i32*> [#uses=2]
%h1 = load i32* %g1 ; <i32> [#uses=1]
store i32 123, i32* %P
%g2 = load i32** @G ; <i32*> [#uses=0]
%h2 = load i32* %g1 ; <i32> [#uses=1]
%X = sub i32 %h1, %h2 ; <i32> [#uses=1]
ret i32 %X
}