llvm/test/Transforms/DeadArgElim/basictest.ll
Dan Gohman f2f6ce65b7 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-11 18:01:28 +00:00

37 lines
983 B
LLVM

; RUN: opt < %s -deadargelim -S | not grep DEADARG
; test - an obviously dead argument
define internal i32 @test(i32 %v, i32 %DEADARG1, i32* %p) {
store i32 %v, i32* %p
ret i32 %v
}
; hardertest - an argument which is only used by a call of a function with a
; dead argument.
define internal i32 @hardertest(i32 %DEADARG2) {
%p = alloca i32 ; <i32*> [#uses=1]
%V = call i32 @test( i32 5, i32 %DEADARG2, i32* %p ) ; <i32> [#uses=1]
ret i32 %V
}
; evenhardertest - recursive dead argument...
define internal void @evenhardertest(i32 %DEADARG3) {
call void @evenhardertest( i32 %DEADARG3 )
ret void
}
define internal void @needarg(i32 %TEST) {
call i32 @needarg2( i32 %TEST ) ; <i32>:1 [#uses=0]
ret void
}
define internal i32 @needarg2(i32 %TEST) {
ret i32 %TEST
}
define internal void @needarg3(i32 %TEST3) {
call void @needarg( i32 %TEST3 )
ret void
}