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author | Dimitry Andric <dim@FreeBSD.org> | 2017-12-16 14:44:35 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2017-12-16 14:44:35 +0000 |
commit | eb70dddbd77e120e5d490bd8fbe7ff3f8fa81c6b (patch) | |
tree | ebe746b4779907cbdd7154030b623da2c5b926a6 /test/Transforms/NewGVN/pr34452.ll | |
parent | edad5bcb76bf472a1487c0f3dd94a5914213a647 (diff) | |
download | src-eb70dddbd77e120e5d490bd8fbe7ff3f8fa81c6b.tar.gz src-eb70dddbd77e120e5d490bd8fbe7ff3f8fa81c6b.zip |
Vendor import of llvm 5.0.1 release r320880:vendor/llvm/llvm-release_501-r320880
Notes
Notes:
svn path=/vendor/llvm/dist/; revision=326899
svn path=/vendor/llvm/llvm-release_501-r320880/; revision=326900; tag=vendor/llvm/llvm-release_501-r320880
Diffstat (limited to 'test/Transforms/NewGVN/pr34452.ll')
-rw-r--r-- | test/Transforms/NewGVN/pr34452.ll | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/test/Transforms/NewGVN/pr34452.ll b/test/Transforms/NewGVN/pr34452.ll new file mode 100644 index 000000000000..4e5b371a4824 --- /dev/null +++ b/test/Transforms/NewGVN/pr34452.ll @@ -0,0 +1,49 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; RUN: opt -newgvn -S < %s | FileCheck %s +;; Ensure we don't crash when simplifying aggregate value expressions +source_filename = "bugpoint-output-09f7a24.bc" + +@WHOLELINE = external local_unnamed_addr global i32, align 4 + +; Function Attrs: nounwind uwtable +define void @sgrep() local_unnamed_addr #0 { +; CHECK-LABEL: @sgrep( +; CHECK-NEXT: entry: +; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* @WHOLELINE, align 4, !tbaa !1 +; CHECK-NEXT: [[TOBOOL:%.*]] = icmp eq i32 [[TMP0]], 0 +; CHECK-NEXT: [[DOT:%.*]] = select i1 [[TOBOOL]], i32 2048, i32 2047 +; CHECK-NEXT: br label [[WHILE_BODY_US:%.*]] +; CHECK: while.body.us: +; CHECK-NEXT: [[START_1230_US:%.*]] = phi i32 [ [[DOT]], [[ENTRY:%.*]] ], [ 0, [[WHILE_BODY_US]] ] +; CHECK-NEXT: [[TMP1:%.*]] = sext i32 [[START_1230_US]] to i64 +; CHECK-NEXT: [[TMP2:%.*]] = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 0, i64 [[TMP1]]) +; CHECK-NEXT: br label [[WHILE_BODY_US]] +; +entry: + %0 = load i32, i32* @WHOLELINE, align 4, !tbaa !1 + %tobool = icmp eq i32 %0, 0 + %. = select i1 %tobool, i32 2048, i32 2047 + br label %while.body.us + +while.body.us: ; preds = %while.body.us, %entry + %start.1230.us = phi i32 [ %., %entry ], [ 0, %while.body.us ] + %1 = sext i32 %start.1230.us to i64 + %2 = call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 0, i64 %1) + %.res302 = extractvalue { i64, i1 } %2, 0 + %3 = icmp sge i64 undef, %.res302 + br label %while.body.us +} + +; Function Attrs: nounwind readnone speculatable +declare { i64, i1 } @llvm.sadd.with.overflow.i64(i64, i64) #1 + +attributes #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" } +attributes #1 = { nounwind readnone speculatable } + +!llvm.ident = !{!0} + +!0 = !{!"clang version 6.0.0 (trunk 311664) (llvm/trunk 311666)"} +!1 = !{!2, !2, i64 0} +!2 = !{!"int", !3, i64 0} +!3 = !{!"omnipotent char", !4, i64 0} +!4 = !{!"Simple C/C++ TBAA"} |