llvm-6502/test/CodeGen/X86/tailcall-returndup-void.ll
Cameron Zwarich 6e8ffc1c4d Do early taildup of ret in CodeGenPrepare for potential tail calls that have a
void return type. This fixes PR9487.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128197 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-24 04:52:10 +00:00

38 lines
1.9 KiB
LLVM

; RUN: llc < %s -march=x86-64 | FileCheck %s
; CHECK: rBM_info
; CHECK-NOT: ret
@sES_closure = external global [0 x i64]
declare cc10 void @sEH_info(i64* noalias nocapture, i64* noalias nocapture, i64* noalias nocapture, i64, i64, i64) align 8
define cc10 void @rBM_info(i64* noalias nocapture %Base_Arg, i64* noalias nocapture %Sp_Arg, i64* noalias nocapture %Hp_Arg, i64 %R1_Arg, i64 %R2_Arg, i64 %R3_Arg) nounwind align 8 {
c263:
%ln265 = getelementptr inbounds i64* %Sp_Arg, i64 -2
%ln266 = ptrtoint i64* %ln265 to i64
%ln268 = icmp ult i64 %ln266, %R3_Arg
br i1 %ln268, label %c26a, label %n26p
n26p: ; preds = %c263
br i1 icmp ne (i64 and (i64 ptrtoint ([0 x i64]* @sES_closure to i64), i64 7), i64 0), label %c1ZP.i, label %n1ZQ.i
n1ZQ.i: ; preds = %n26p
%ln1ZT.i = load i64* getelementptr inbounds ([0 x i64]* @sES_closure, i64 0, i64 0), align 8
%ln1ZU.i = inttoptr i64 %ln1ZT.i to void (i64*, i64*, i64*, i64, i64, i64)*
tail call cc10 void %ln1ZU.i(i64* %Base_Arg, i64* %Sp_Arg, i64* %Hp_Arg, i64 ptrtoint ([0 x i64]* @sES_closure to i64), i64 ptrtoint ([0 x i64]* @sES_closure to i64), i64 %R3_Arg) nounwind
br label %rBL_info.exit
c1ZP.i: ; preds = %n26p
tail call cc10 void @sEH_info(i64* %Base_Arg, i64* %Sp_Arg, i64* %Hp_Arg, i64 ptrtoint ([0 x i64]* @sES_closure to i64), i64 ptrtoint ([0 x i64]* @sES_closure to i64), i64 %R3_Arg) nounwind
br label %rBL_info.exit
rBL_info.exit: ; preds = %c1ZP.i, %n1ZQ.i
ret void
c26a: ; preds = %c263
%ln27h = getelementptr inbounds i64* %Base_Arg, i64 -2
%ln27j = load i64* %ln27h, align 8
%ln27k = inttoptr i64 %ln27j to void (i64*, i64*, i64*, i64, i64, i64)*
tail call cc10 void %ln27k(i64* %Base_Arg, i64* %Sp_Arg, i64* %Hp_Arg, i64 %R1_Arg, i64 %R2_Arg, i64 %R3_Arg) nounwind
ret void
}