1 files changed, 57 insertions, 0 deletions
diff --git a/llvm/test/Transforms/JumpThreading/pr33917.ll b/llvm/test/Transforms/JumpThreading/pr33917.ll
new file mode 100644
index 00000000000..30652279a0e
--- /dev/null
+++ b/llvm/test/Transforms/JumpThreading/pr33917.ll
@@ -0,0 +1,57 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -jump-threading -correlated-propagation %s -S | FileCheck %s
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+declare i8* @foo()
+
+declare i32 @rust_eh_personality() unnamed_addr
+
+; Function Attrs: nounwind
+declare void @llvm.assume(i1) #0
+
+define void @patatino() personality i32 ()* @rust_eh_personality {
+; CHECK-LABEL: @patatino(
+; CHECK-NEXT:  bb9:
+; CHECK-NEXT:    [[T9:%.*]] = invoke i8* @foo()
+; CHECK-NEXT:    to label [[GOOD:%.*]] unwind label [[BAD:%.*]]
+; CHECK:       bad:
+; CHECK-NEXT:    [[T10:%.*]] = landingpad { i8*, i32 }
+; CHECK-NEXT:    cleanup
+; CHECK-NEXT:    resume { i8*, i32 } [[T10]]
+; CHECK:       good:
+; CHECK-NEXT:    [[T11:%.*]] = icmp ne i8* [[T9]], null
+; CHECK-NEXT:    [[T12:%.*]] = zext i1 [[T11]] to i64
+; CHECK-NEXT:    [[COND:%.*]] = icmp eq i64 [[T12]], 1
+; CHECK-NEXT:    br i1 [[COND]], label [[IF_TRUE:%.*]], label [[DONE:%.*]]
+; CHECK:       if_true:
+; CHECK-NEXT:    call void @llvm.assume(i1 [[T11]])
+; CHECK-NEXT:    br label [[DONE]]
+; CHECK:       done:
+; CHECK-NEXT:    ret void
+;
+bb9:
+  %t9 = invoke i8* @foo()
+  to label %good unwind label %bad
+
+bad:
+  %t10 = landingpad { i8*, i32 }
+  cleanup
+  resume { i8*, i32 } %t10
+
+good:
+  %t11 = icmp ne i8* %t9, null
+  %t12 = zext i1 %t11 to i64
+  %cond = icmp eq i64 %t12, 1
+  br i1 %cond, label %if_true, label %done
+
+if_true:
+  call void @llvm.assume(i1 %t11)
+  br label %done
+
+done:
+  ret void
+}
+
+attributes #0 = { nounwind }