1 ; RUN: llc -O0 -fast-isel-abort=1 -verify-machineinstrs -mtriple=arm64-apple-darwin < %s | FileCheck %s 2 3 @fn.table = internal global [2 x i8*] [i8* blockaddress(@fn, %ZERO), i8* blockaddress(@fn, %ONE)], align 8 4 5 define i32 @fn(i32 %target) nounwind { 6 entry: 7 ; CHECK-LABEL: fn 8 %retval = alloca i32, align 4 9 %target.addr = alloca i32, align 4 10 store i32 %target, i32* %target.addr, align 4 11 %0 = load i32, i32* %target.addr, align 4 12 %idxprom = zext i32 %0 to i64 13 %arrayidx = getelementptr inbounds [2 x i8*], [2 x i8*]* @fn.table, i32 0, i64 %idxprom 14 %1 = load i8*, i8** %arrayidx, align 8 15 br label %indirectgoto 16 17 ZERO: ; preds = %indirectgoto 18 ; CHECK: LBB0_1 19 store i32 0, i32* %retval 20 br label %return 21 22 ONE: ; preds = %indirectgoto 23 ; CHECK: LBB0_2 24 store i32 1, i32* %retval 25 br label %return 26 27 return: ; preds = %ONE, %ZERO 28 %2 = load i32, i32* %retval 29 ret i32 %2 30 31 indirectgoto: ; preds = %entry 32 ; CHECK: ldr [[REG:x[0-9]+]], [sp] 33 ; CHECK-NEXT: br [[REG]] 34 %indirect.goto.dest = phi i8* [ %1, %entry ] 35 indirectbr i8* %indirect.goto.dest, [label %ZERO, label %ONE] 36 } 37
