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Revert 131266 and 131261 due to buildbot complaints.

Browse Source 
rdar://problem/9298790


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131269 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Stuart Hastings 2011-05-13 00:15:17 +00:00
parent 4c576ca9db
commit 8ad145d729
2 changed files with 9 additions and 19 deletions
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11
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -3535,16 +3535,9 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node,
Tmp2.getOperand(0), Tmp2.getOperand(1),
Node->getOperand(2));
} else {
// We test only the i1 bit. Skip the AND if UNDEF.
Tmp3 = (Tmp2.getOpcode() == ISD::UNDEF ||
(Tmp2.getOpcode() == ISD::AND &&
Tmp2.getConstantOperandVal(1) == 1)) ?
Tmp2 :
DAG.getNode(ISD::AND, dl, Tmp2.getValueType(), Tmp2,
DAG.getConstant(1, Tmp2.getValueType()));
Tmp1 = DAG.getNode(ISD::BR_CC, dl, MVT::Other, Tmp1,
DAG.getCondCode(ISD::SETNE), Tmp3,
DAG.getConstant(0, Tmp3.getValueType()),
DAG.getCondCode(ISD::SETNE), Tmp2,
DAG.getConstant(0, Tmp2.getValueType()),
Node->getOperand(2));
}
Results.push_back(Tmp1);

17
test/CodeGen/Thumb2/thumb2-cbnz.ll
View File

@ -3,29 +3,26 @@
declare double @floor(double) nounwind readnone
define void @t(i32 %c, double %b) {
define void @t(i1 %a, double %b) {
entry:
%cmp1 = icmp ne i32 %c, 0
br i1 %cmp1, label %bb3, label %bb1
br i1 %a, label %bb3, label %bb1
bb1: ; preds = %entry
unreachable
bb3: ; preds = %entry
%cmp2 = icmp ne i32 %c, 0
br i1 %cmp2, label %bb7, label %bb5
br i1 %a, label %bb7, label %bb5
bb5: ; preds = %bb3
unreachable
bb7: ; preds = %bb3
%cmp3 = icmp ne i32 %c, 0
br i1 %cmp3, label %bb11, label %bb9
br i1 %a, label %bb11, label %bb9
bb9: ; preds = %bb7
; CHECK: cmp r0, #0
; CHECK: cmp r0, #0
; CHECK-NEXT: cbnz
; CHECK: cmp r0, #0
; CHECK: cmp r0, #0
; CHECK-NEXT: cbnz
%0 = tail call double @floor(double %b) nounwind readnone ; <double> [#uses=0]
br label %bb11