[X86] Add PR33747 test case

llvm-svn: 324838

diff --git a/llvm/test/CodeGen/X86/pr33747.ll b/llvm/test/CodeGen/X86/pr33747.ll
new file mode 100644 (file)
index 0000000..abfdf7f
--- /dev/null
+++ b/llvm/test/CodeGen/X86/pr33747.ll
@@ -0,0 +1,29 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s
+
+define void @PR33747(i32* nocapture) {
+; CHECK-LABEL: PR33747:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    movl 24(%rdi), %eax
+; CHECK-NEXT:    testl %eax, %eax
+; CHECK-NEXT:    je .LBB0_3
+; CHECK-NEXT:  # %bb.1:
+; CHECK-NEXT:    incl %eax
+; CHECK-NEXT:    cmpl $3, %eax
+; CHECK-NEXT:    jae .LBB0_3
+; CHECK-NEXT:    .p2align 4, 0x90
+; CHECK-NEXT:  .LBB0_2: # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    jmp .LBB0_2
+; CHECK-NEXT:    .p2align 4, 0x90
+; CHECK-NEXT:  .LBB0_3: # =>This Inner Loop Header: Depth=1
+; CHECK-NEXT:    jmp .LBB0_3
+  %2 = getelementptr inbounds i32, i32* %0, i64 6
+  %3 = load i32, i32* %2, align 4
+  %4 = add i32 %3, 1
+  %5 = icmp ult i32 %4, 3
+  %6 = icmp ne i32 %3, 0
+  %7 = and i1 %6, %5
+  br i1 %7, label %8, label %9
+  br label %8
+  br label %9
+}