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c85e1716f0
enabled by passing -tailcallopt to llc. The optimization is performed if the following conditions are satisfied: * caller/callee are fastcc * elf/pic is disabled OR elf/pic enabled + callee is in module + callee has visibility protected or hidden git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42870 91177308-0d34-0410-b5e6-96231b3b80d8
13 lines
388 B
LLVM
13 lines
388 B
LLVM
; RUN: llvm-as < %s | llc -tailcallopt -mtriple=i686-pc-linux-gnu -relocation-model=pic | grep TAILCALL
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define protected fastcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4) {
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entry:
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ret i32 %a3
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}
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define fastcc i32 @tailcaller(i32 %in1, i32 %in2) {
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entry:
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%tmp11 = tail call fastcc i32 @tailcallee( i32 %in1, i32 %in2, i32 %in1, i32 %in2 ) ; <i32> [#uses=1]
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ret i32 %tmp11
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}
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