| ; RUN: llc -verify-machineinstrs -o - %s -mtriple=arm64-apple-ios7.0 | FileCheck %s | |
| define i64 @test_free_zext(i8* %a, i16* %b) { | |
| ; CHECK-LABEL: test_free_zext | |
| ; CHECK-DAG: ldrb w[[A:[0-9]+]], [x0] | |
| ; CHECK: ldrh w[[B:[0-9]+]], [x1] | |
| ; CHECK: add x0, x[[B]], x[[A]] | |
| %1 = load i8, i8* %a, align 1 | |
| %conv = zext i8 %1 to i64 | |
| %2 = load i16, i16* %b, align 2 | |
| %conv1 = zext i16 %2 to i64 | |
| %add = add nsw i64 %conv1, %conv | |
| ret i64 %add | |
| } |