1 files changed, 48 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pr33828.ll b/test/CodeGen/X86/pr33828.ll
new file mode 100644
index 0000000000000..1b7f44323b612
--- /dev/null
+++ b/test/CodeGen/X86/pr33828.ll
@@ -0,0 +1,48 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=i686-unknown-unknown -mcpu=haswell | FileCheck %s --check-prefix=X86
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=haswell | FileCheck %s --check-prefix=X64
+
+@var_580 = external local_unnamed_addr global i8, align 1
+
+define void @foo() {
+; X86-LABEL: foo:
+; X86:       # BB#0: # %entry
+; X86-NEXT:    movsbl var_580, %eax
+; X86-NEXT:    testl $-536870913, %eax # imm = 0xDFFFFFFF
+; X86-NEXT:    jne .LBB0_1
+; X86-NEXT:  # BB#2: # %if.end13
+; X86-NEXT:    retl
+; X86-NEXT:  .LBB0_1: # %if.then11
+;
+; X64-LABEL: foo:
+; X64:       # BB#0: # %entry
+; X64-NEXT:    movsbl {{.*}}(%rip), %eax
+; X64-NEXT:    testl $-536870913, %eax # imm = 0xDFFFFFFF
+; X64-NEXT:    jne .LBB0_1
+; X64-NEXT:  # BB#2: # %if.end13
+; X64-NEXT:    retq
+; X64-NEXT:  .LBB0_1: # %if.then11
+entry:
+  %tmp = icmp ugt i8 undef, 60
+  %phitmp = zext i1 %tmp to i16
+  br label %if.end
+
+if.end:
+  %tmp1 = load i8, i8* @var_580, align 1
+  %conv7 = sext i8 %tmp1 to i32
+  %conv8 = zext i16 %phitmp to i32
+  %mul = shl nuw nsw i32 %conv8, 1
+  %div9 = udiv i32 %mul, 71
+  %sub = add nsw i32 %div9, -3
+  %shl = shl i32 1, %sub
+  %neg = xor i32 %shl, -1
+  %and = and i32 %neg, %conv7
+  %tobool10 = icmp eq i32 %and, 0
+  br i1 %tobool10, label %if.end13, label %if.then11
+
+if.then11:
+  unreachable
+
+if.end13:
+  ret void
+}