1; RUN: llc %s -o - -O0 -verify-machineinstrs -fast-isel=true | FileCheck %s 2 3target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" 4target triple = "arm64-apple-ios8.0.0" 5 6; This test was trying to fold the sext %tmp142 in to the address arithmetic in %sunkaddr1. 7; This was incorrect as %.mux isn't available in the last bb. 8 9; CHECK: sxtw [[REG0:x[0-9]+]] 10; CHECK: str [[REG0]], [sp, [[OFFSET:#[0-9]+]]] 11; CHECK: ldr [[REG1:x[0-9]+]], [sp, [[OFFSET]]] 12; CHECK: strh wzr, [{{.*}}, [[REG1]], lsl #1] 13 14; Function Attrs: nounwind optsize ssp 15define void @EdgeLoop(i32 %dir, i32 %edge, i32 %width, i16* %tmp89, i32 %tmp136, i16 %tmp144) #0 { 16bb: 17 %tmp2 = icmp eq i32 %dir, 0 18 %.mux = select i1 %tmp2, i32 %width, i32 1 19 %tmp142 = sext i32 %.mux to i64 20 %tmp151 = shl nsw i64 %tmp142, 1 21 %tmp153 = getelementptr inbounds i16, i16* %tmp89, i64 %tmp151 22 %tmp154 = load i16, i16* %tmp153, align 2 23 %tmp155 = zext i16 %tmp154 to i32 24 br i1 %tmp2, label %bb225, label %bb212 25 26bb212: ; preds = %bb 27 store i16 %tmp144, i16* %tmp89, align 2 28 ret void 29 30bb225: ; preds = %bb 31 %tmp248 = trunc i32 %tmp155 to i16 32 store i16 %tmp248, i16* %tmp89, align 2 33 %sunkaddr = ptrtoint i16* %tmp89 to i64 34 %sunkaddr1 = mul i64 %tmp142, 2 35 %sunkaddr2 = add i64 %sunkaddr, %sunkaddr1 36 %sunkaddr3 = inttoptr i64 %sunkaddr2 to i16* 37 store i16 0, i16* %sunkaddr3, align 2 38 ret void 39} 40 41attributes #0 = { nounwind optsize ssp } 42