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a73e1a6ef3
This marker prevents optimization passes from adding 'tail' or 'musttail' markers to a call. Is is used to prevent tail call optimization from being performed on the call. rdar://problem/22667622 Differential Revision: http://reviews.llvm.org/D12923 llvm-svn: 252368
25 lines
417 B
LLVM
25 lines
417 B
LLVM
; RUN: opt < %s -tailcallelim -S | FileCheck %s
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; CHECK: tail call void @callee0()
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; CHECK: notail call void @callee1()
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define void @foo1(i32 %a) {
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entry:
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%tobool = icmp eq i32 %a, 0
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br i1 %tobool, label %if.else, label %if.then
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if.then:
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call void @callee0()
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br label %if.end
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if.else:
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notail call void @callee1()
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br label %if.end
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if.end:
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ret void
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}
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declare void @callee0()
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declare void @callee1()
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