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