| ; RUN: llc -mtriple=mips -mcpu=mips32 -verify-machineinstrs -o /dev/null < %s | |
| ; Confirm that MachineInstr branch simplification preserves | |
| ; register operand flags, such as the <undef> flag. | |
| define void @ham() { | |
| bb: | |
| %tmp = alloca i32, align 4 | |
| %tmp13 = ptrtoint ptr %tmp to i32 | |
| %tmp70 = icmp eq i32 undef, -1 | |
| br i1 %tmp70, label %bb72, label %bb40 | |
| bb72: ; preds = %bb72, %bb | |
| br i1 undef, label %bb40, label %bb72 | |
| bb40: ; preds = %bb72, %bb | |
| %tmp41 = phi i32 [ %tmp13, %bb72 ], [ %tmp13, %bb ] | |
| %tmp55 = inttoptr i32 %tmp41 to ptr | |
| %tmp58 = insertelement <2 x ptr> undef, ptr %tmp55, i32 1 | |
| br label %bb59 | |
| bb59: ; preds = %bb59, %bb40 | |
| %tmp60 = phi <2 x ptr> [ %tmp61, %bb59 ], [ %tmp58, %bb40 ] | |
| %tmp61 = getelementptr i32, <2 x ptr> %tmp60, <2 x i32> <i32 -1, i32 1> | |
| %tmp62 = extractelement <2 x ptr> %tmp61, i32 1 | |
| br label %bb59 | |
| } |