| # RUN: llc -mtriple=thumbv7-apple-ios -run-pass=if-converter -verify-machineinstrs %s -o - | FileCheck %s |
| ... |
| --- |
| name: foo |
| body: | |
| bb.0: |
| tBcc %bb.2, 1, $cpsr |
| |
| bb.1: |
| $sp = tADDspi $sp, 2, 14, _ |
| tB %bb.1, 14, $noreg |
| |
| bb.2: |
| tBcc %bb.3, 0, $cpsr |
| tB %bb.2, 14, $noreg |
| |
| bb.3: |
| tBcc %bb.1, 1, $cpsr |
| tB %bb.1, 14, $noreg |
| ... |
| |
| # Both branches in bb.3 jump to bb.1. IfConversion shouldn't treat this as a |
| # tringle and insert the tADDspi in bb3, but leave it as it is. |
| |
| # CHECK: bb.3: |
| # CHECK: successors: %bb.1 |
| # CHECK-NOT: tADDspi |
| # CHECK: Bcc %bb.1, 1, $cpsr |
| # CHECK: B %bb.1 |
