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llvm-mirror/test/Transforms/DeadArgElim/deadretval.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

19 lines
456 B
LLVM

; RUN: opt < %s -deadargelim -S | not grep DEAD
; Dead arg only used by dead retval
define internal i32 @test(i32 %DEADARG) {
ret i32 %DEADARG
}
define i32 @test2(i32 %A) {
%DEAD = call i32 @test( i32 %A ) ; <i32> [#uses=0]
ret i32 123
}
define i32 @test3() {
%X = call i32 @test2( i32 3232 ) ; <i32> [#uses=1]
%Y = add i32 %X, -123 ; <i32> [#uses=1]
ret i32 %Y
}