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Tidy up this testcase and add test for tailcall optimization

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with unreachable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91650 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-12-18 01:05:06 +00:00
parent 5afffaed5c
commit f838e2366a
1 changed files with 12 additions and 7 deletions
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19
test/CodeGen/X86/tailcall1.ll
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@ -1,12 +1,10 @@
; RUN: llc < %s -march=x86 -tailcallopt | grep TAILCALL | count 4
define fastcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4) {
entry:
ret i32 %a3
}
; RUN: llc < %s -march=x86 -tailcallopt | grep TAILCALL | count 5
define fastcc i32 @tailcaller(i32 %in1, i32 %in2) {
declare fastcc i32 @tailcallee(i32 %a1, i32 %a2, i32 %a3, i32 %a4)
define fastcc i32 @tailcaller(i32 %in1, i32 %in2) nounwind {
entry:
%tmp11 = tail call fastcc i32 @tailcallee( i32 %in1, i32 %in2, i32 %in1, i32 %in2 ) ; <i32> [#uses=1]
%tmp11 = tail call fastcc i32 @tailcallee(i32 %in1, i32 %in2, i32 %in1, i32 %in2)
ret i32 %tmp11
}
@ -30,3 +28,10 @@ define fastcc i32 @ret_undef() nounwind {
%p = tail call fastcc i32 @i32_callee()
ret i32 undef
}
declare fastcc void @does_not_return()
define fastcc i32 @noret() nounwind {
tail call fastcc void @does_not_return()
unreachable
}