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63 lines
1.9 KiB
LLVM
63 lines
1.9 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -indvars < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @test() {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: br label [[BB2:%.*]]
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; CHECK: bb1:
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; CHECK-NEXT: br label [[BB2]]
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; CHECK: bb2:
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; CHECK-NEXT: [[TMP:%.*]] = phi i32 [ -9, [[BB:%.*]] ], [ [[TMP6:%.*]], [[BB1:%.*]] ]
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; CHECK-NEXT: br label [[BB3:%.*]]
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; CHECK: bb3:
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; CHECK-NEXT: [[TMP4:%.*]] = phi i32 [ -9, [[BB2]] ], [ [[TMP6]], [[BB10:%.*]] ]
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; CHECK-NEXT: br i1 false, label [[BB5:%.*]], label [[BB12:%.*]]
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; CHECK: bb5:
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; CHECK-NEXT: [[TMP6]] = add nsw i32 [[TMP4]], -1
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; CHECK-NEXT: br i1 undef, label [[BB8:%.*]], label [[BB9:%.*]]
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; CHECK: bb8:
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; CHECK-NEXT: br label [[BB10]]
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; CHECK: bb9:
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; CHECK-NEXT: br label [[BB10]]
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; CHECK: bb10:
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; CHECK-NEXT: br label [[BB3]]
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; CHECK: bb12:
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; CHECK-NEXT: ret void
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;
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bb:
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br label %bb2
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bb1: ; No predecessors!
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br label %bb2
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bb2: ; preds = %bb1, %bb
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%tmp = phi i32 [ -9, %bb ], [ %tmp6, %bb1 ]
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br label %bb3
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bb3: ; preds = %bb10, %bb2
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%tmp4 = phi i32 [ -9, %bb2 ], [ %tmp6, %bb10 ]
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br i1 undef, label %bb5, label %bb12
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bb5: ; preds = %bb3
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%tmp6 = add i32 %tmp4, -1
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%tmp7 = zext i32 %tmp6 to i64
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br i1 undef, label %bb8, label %bb9
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bb8: ; preds = %bb5
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br label %bb10
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bb9: ; preds = %bb5
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br label %bb10
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bb10: ; preds = %bb9, %bb8
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%tmp11 = and i64 undef, %tmp7
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br label %bb3
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bb12: ; preds = %bb3
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ret void
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}
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