llvm-for-llvmta/test/CodeGen/AArch64/fast-isel-int-ext5.ll

20 lines
414 B
LLVM

; 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
}