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