forked from OSchip/llvm-project
63 lines
2.6 KiB
LLVM
63 lines
2.6 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -newgvn -S | FileCheck %s
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define void @sort(i64 %.16) {
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; CHECK-LABEL: @sort(
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; CHECK-NEXT: Entry:
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; CHECK-NEXT: [[TMP0:%.*]] = extractvalue { i64, i1 } undef, 0
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; CHECK-NEXT: [[TMP1:%.*]] = lshr i64 [[TMP0]], 2
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; CHECK-NEXT: br i1 undef, label [[DIVZEROFAIL2_I:%.*]], label [[WHILEBODY_LR_PH:%.*]]
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; CHECK: DivZeroFail2.i:
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; CHECK-NEXT: unreachable
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; CHECK: WhileBody.lr.ph:
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; CHECK-NEXT: [[TMP2:%.*]] = udiv i64 [[DOT16:%.*]], [[TMP1]]
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; CHECK-NEXT: br label [[WHILEBODY:%.*]]
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; CHECK: WhileBody:
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; CHECK-NEXT: [[ITERATOR:%.*]] = phi i64 [ 0, [[WHILEBODY_LR_PH]] ], [ [[TMP6:%.*]], [[BOUNDSCHECKOK276:%.*]] ]
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; CHECK-NEXT: [[TMP3:%.*]] = tail call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 [[ITERATOR]], i64 [[TMP2]])
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; CHECK-NEXT: [[TMP4:%.*]] = extractvalue { i64, i1 } [[TMP3]], 0
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; CHECK-NEXT: [[TMP5:%.*]] = tail call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 [[TMP4]], i64 1)
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; CHECK-NEXT: [[TMP6]] = extractvalue { i64, i1 } [[TMP5]], 0
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; CHECK-NEXT: br i1 false, label [[BOUNDSCHECKFAIL275:%.*]], label [[BOUNDSCHECKOK276]]
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; CHECK: WhileEnd:
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; CHECK-NEXT: ret void
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; CHECK: BoundsCheckFail275:
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; CHECK-NEXT: unreachable
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; CHECK: BoundsCheckOk276:
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; CHECK-NEXT: [[TMP7:%.*]] = icmp ult i64 [[TMP6]], [[DOT16]]
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; CHECK-NEXT: br i1 [[TMP7]], label [[WHILEBODY]], label [[WHILEEND:%.*]]
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;
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Entry:
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%0 = extractvalue { i64, i1 } undef, 0
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%1 = lshr i64 %0, 2
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br i1 undef, label %DivZeroFail2.i, label %WhileBody.lr.ph
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DivZeroFail2.i: ; preds = %Entry
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unreachable
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WhileBody.lr.ph: ; preds = %Entry
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%2 = udiv i64 %.16, %1
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br label %WhileBody
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WhileBody: ; preds = %BoundsCheckOk276, %WhileBody.lr.ph
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%iterator = phi i64 [ 0, %WhileBody.lr.ph ], [ %6, %BoundsCheckOk276 ]
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%3 = tail call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %iterator, i64 %2)
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%4 = extractvalue { i64, i1 } %3, 0
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%5 = tail call { i64, i1 } @llvm.uadd.with.overflow.i64(i64 %4, i64 1)
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%6 = extractvalue { i64, i1 } %5, 0
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%7 = icmp ugt i64 %iterator, %.16
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br i1 %7, label %BoundsCheckFail275, label %BoundsCheckOk276
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WhileEnd: ; preds = %BoundsCheckOk276
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ret void
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BoundsCheckFail275: ; preds = %WhileBody
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unreachable
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BoundsCheckOk276: ; preds = %WhileBody
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%8 = icmp ult i64 %6, %.16
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br i1 %8, label %WhileBody, label %WhileEnd
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}
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declare { i64, i1 } @llvm.uadd.with.overflow.i64(i64, i64)
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