; 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(i8* %addr, i1 %c1, i1 %c2) { | |
entry: | |
%0 = load i8, i8* %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 | |
} |