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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -newgvn -S < %s | FileCheck %s
3;; Ensure we don't crash when simplifying aggregate value expressions
4source_filename = "bugpoint-output-09f7a24.bc"
5
6@WHOLELINE = external local_unnamed_addr global i32, align 4
7
8; Function Attrs: nounwind uwtable
9define void @sgrep() local_unnamed_addr #0 {
10; CHECK-LABEL: @sgrep(
11; CHECK-NEXT:  entry:
12; CHECK-NEXT:    [[TMP0:%.*]] = load i32, i32* @WHOLELINE, align 4, !tbaa !1
13; CHECK-NEXT:    [[TOBOOL:%.*]] = icmp eq i32 [[TMP0]], 0
14; CHECK-NEXT:    [[DOT:%.*]] = select i1 [[TOBOOL]], i32 2048, i32 2047
15; CHECK-NEXT:    br label [[WHILE_BODY_US:%.*]]
16; CHECK:       while.body.us:
17; CHECK-NEXT:    [[START_1230_US:%.*]] = phi i32 [ [[DOT]], [[ENTRY:%.*]] ], [ 0, [[WHILE_BODY_US]] ]
18; CHECK-NEXT:    [[TMP1:%.*]] = sext i32 [[START_1230_US]] to i64
19; CHECK-NEXT:    [[TMP2:%.*]] = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 0, i64 [[TMP1]])
20; CHECK-NEXT:    br label [[WHILE_BODY_US]]
21;
22entry:
23  %0 = load i32, i32* @WHOLELINE, align 4, !tbaa !1
24  %tobool = icmp eq i32 %0, 0
25  %. = select i1 %tobool, i32 2048, i32 2047
26  br label %while.body.us
27
28while.body.us:                                    ; preds = %while.body.us, %entry
29  %start.1230.us = phi i32 [ %., %entry ], [ 0, %while.body.us ]
30  %1 = sext i32 %start.1230.us to i64
31  %2 = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 0, i64 %1)
32  %.res302 = extractvalue { i64, i1 } %2, 0
33  %3 = icmp sge i64 undef, %.res302
34  br label %while.body.us
35}
36
37; Function Attrs: nounwind readnone speculatable
38declare { i64, i1 } @llvm.sadd.with.overflow.i64(i64, i64) #1
39
40attributes #0 = { nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "polly-optimized" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
41attributes #1 = { nounwind readnone speculatable }
42
43!llvm.ident = !{!0}
44
45!0 = !{!"clang version 6.0.0 (trunk 311664) (llvm/trunk 311666)"}
46!1 = !{!2, !2, i64 0}
47!2 = !{!"int", !3, i64 0}
48!3 = !{!"omnipotent char", !4, i64 0}
49!4 = !{!"Simple C/C++ TBAA"}
50