diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/test/CodeGen/X86/2007-10-14-CoalescerCrash.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/2007-10-14-CoalescerCrash.ll b/llvm/test/CodeGen/X86/2007-10-14-CoalescerCrash.ll new file mode 100644 index 00000000000..d29ac836220 --- /dev/null +++ b/llvm/test/CodeGen/X86/2007-10-14-CoalescerCrash.ll @@ -0,0 +1,28 @@ +; RUN: llvm-as < %s | llc -mtriple=x86_64-apple-darwin | \ + + %struct._Unwind_Context = type { } + +define i32 @execute_stack_op(i8* %op_ptr, i8* %op_end, %struct._Unwind_Context* %context, i64 %initial) { +entry: + br i1 false, label %bb, label %return + +bb: ; preds = %bb31, %entry + br i1 false, label %bb6, label %bb31 + +bb6: ; preds = %bb + %tmp10 = load i64* null, align 8 ; <i64> [#uses=1] + %tmp16 = load i64* null, align 8 ; <i64> [#uses=1] + br i1 false, label %bb23, label %bb31 + +bb23: ; preds = %bb6 + %tmp2526.cast = and i64 %tmp16, 4294967295 ; <i64> [#uses=1] + %tmp27 = ashr i64 %tmp10, %tmp2526.cast ; <i64> [#uses=1] + br label %bb31 + +bb31: ; preds = %bb23, %bb6, %bb + %result.0 = phi i64 [ %tmp27, %bb23 ], [ 0, %bb ], [ 0, %bb6 ] ; <i64> [#uses=0] + br i1 false, label %bb, label %return + +return: ; preds = %bb31, %entry + ret i32 undef +} |
