| ; RUN: llc -mtriple=aarch64-apple-darwin -O0 -fast-isel -fast-isel-abort=1 -verify-machineinstrs < %s | FileCheck %s | |
| ; CHECK-LABEL: int_ext_opt | |
| define i64 @int_ext_opt(ptr %addr, i1 %c1, i1 %c2) { | |
| entry: | |
| %0 = load i8, ptr %addr | |
| br i1 %c1, label %bb1, label %bb2 | |
| bb1: | |
| %1 = zext i8 %0 to i64 | |
| br i1 %c2, label %bb2, label %exit | |
| bb2: | |
| %2 = phi i64 [1, %entry], [%1, %bb1] | |
| ret i64 %2 | |
| exit: | |
| ret i64 0 | |
| } |