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205b641954
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
24 lines
632 B
LLVM
24 lines
632 B
LLVM
; RUN: opt < %s -deadargelim -die -S > %t
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; RUN: cat %t | grep 123
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; This test tries to catch wrongful removal of return values for a specific case
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; that was break llvm-gcc builds.
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; This function has a live return value, it is used by @alive.
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define internal i32 @test5() {
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ret i32 123
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}
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; This function doesn't use the return value @test5 and tries to lure DAE into
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; marking @test5's return value dead because only this call is unused.
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define i32 @dead() {
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%DEAD = call i32 @test5()
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ret i32 0
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}
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; This function ensures the retval of @test5 is live.
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define i32 @alive() {
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%LIVE = call i32 @test5()
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ret i32 %LIVE
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}
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