55 lines
2 KiB
LLVM
55 lines
2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=newgvn -S %s | FileCheck %s
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define void @crash1_pr35074(i32 %this, i1 %c) {
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; CHECK-LABEL: @crash1_pr35074(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_COND:%.*]]
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; CHECK: for.cond:
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; CHECK-NEXT: [[PHIOFOPS:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[Y_0:%.*]], [[FOR_INC6:%.*]] ]
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; CHECK-NEXT: [[Y_0]] = phi i32 [ 1, [[ENTRY]] ], [ [[INC7:%.*]], [[FOR_INC6]] ]
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; CHECK-NEXT: br i1 [[C:%.*]], label [[FOR_INC6]], label [[FOR_BODY_LR_PH:%.*]]
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; CHECK: for.body.lr.ph:
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; CHECK-NEXT: br label [[FOR_BODY4:%.*]]
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; CHECK: for.body4:
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[PHIOFOPS]], [[Y_0]]
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; CHECK-NEXT: br i1 [[CMP]], label [[FOR_END:%.*]], label [[FOR_BODY4_1:%.*]]
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; CHECK: for.end:
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; CHECK-NEXT: ret void
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; CHECK: for.inc6:
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; CHECK-NEXT: [[INC7]] = add nuw nsw i32 [[Y_0]], 1
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; CHECK-NEXT: br label [[FOR_COND]]
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; CHECK: for.body4.1:
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; CHECK-NEXT: [[INC_1:%.*]] = add nuw nsw i32 [[Y_0]], 1
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; CHECK-NEXT: tail call void @_blah(i32 [[INC_1]])
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; CHECK-NEXT: br label [[FOR_END]]
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;
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc6, %entry
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%y.0 = phi i32 [ 1, %entry ], [ %inc7, %for.inc6 ]
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br i1 %c, label %for.inc6, label %for.body.lr.ph
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for.body.lr.ph: ; preds = %for.cond
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%sub = add nsw i32 %y.0, -1
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br label %for.body4
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for.body4: ; preds = %for.body.lr.ph
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%cmp = icmp ugt i32 %sub, %y.0
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br i1 %cmp, label %for.end, label %for.body4.1
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for.end: ; preds = %for.body4.1, %for.body4
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ret void
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for.inc6: ; preds = %for.cond
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%inc7 = add nuw nsw i32 %y.0, 1
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br label %for.cond
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for.body4.1: ; preds = %for.body4
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%inc.1 = add nuw nsw i32 %y.0, 1
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tail call void @_blah(i32 %inc.1)
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br label %for.end
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}
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declare void @_blah(i32)
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