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41 lines
979 B
LLVM
41 lines
979 B
LLVM
; RUN: llc < %s -march=x86 -tailcallopt | grep TAILCALL | count 5
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; With -tailcallopt, CodeGen guarantees a tail call optimization
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; for all of these.
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declare fastcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4)
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define fastcc i32 @tailcaller(i32 %in1, i32 %in2) nounwind {
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entry:
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%tmp11 = tail call fastcc i32 @tailcallee(i32 %in1, i32 %in2, i32 %in1, i32 %in2)
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ret i32 %tmp11
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}
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declare fastcc i8* @alias_callee()
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define fastcc noalias i8* @noalias_caller() nounwind {
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%p = tail call fastcc i8* @alias_callee()
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ret i8* %p
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}
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declare fastcc noalias i8* @noalias_callee()
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define fastcc i8* @alias_caller() nounwind {
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%p = tail call fastcc noalias i8* @noalias_callee()
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ret i8* %p
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}
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declare fastcc i32 @i32_callee()
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define fastcc i32 @ret_undef() nounwind {
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%p = tail call fastcc i32 @i32_callee()
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ret i32 undef
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}
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declare fastcc void @does_not_return()
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define fastcc i32 @noret() nounwind {
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tail call fastcc void @does_not_return()
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unreachable
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}
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