1 ; RUN: llc %s -o - -O0 -verify-machineinstrs -fast-isel=true | FileCheck %s 2 3 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" 4 target 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 [[REG:x[0-9]+]] 10 ; CHECK: strh wzr, {{\[}}[[REG]], {{.*}}, lsl #1] 11 12 ; Function Attrs: nounwind optsize ssp 13 define void @EdgeLoop(i32 %dir, i32 %edge, i32 %width, i16* %tmp89, i32 %tmp136, i16 %tmp144) #0 { 14 bb: 15 %tmp2 = icmp eq i32 %dir, 0 16 %.mux = select i1 %tmp2, i32 %width, i32 1 17 %tmp142 = sext i32 %.mux to i64 18 %tmp151 = shl nsw i64 %tmp142, 1 19 %tmp153 = getelementptr inbounds i16, i16* %tmp89, i64 %tmp151 20 %tmp154 = load i16, i16* %tmp153, align 2 21 %tmp155 = zext i16 %tmp154 to i32 22 br i1 %tmp2, label %bb225, label %bb212 23 24 bb212: ; preds = %bb 25 store i16 %tmp144, i16* %tmp89, align 2 26 ret void 27 28 bb225: ; preds = %bb 29 %tmp248 = trunc i32 %tmp155 to i16 30 store i16 %tmp248, i16* %tmp89, align 2 31 %sunkaddr = ptrtoint i16* %tmp89 to i64 32 %sunkaddr1 = mul i64 %tmp142, 2 33 %sunkaddr2 = add i64 %sunkaddr, %sunkaddr1 34 %sunkaddr3 = inttoptr i64 %sunkaddr2 to i16* 35 store i16 0, i16* %sunkaddr3, align 2 36 ret void 37 } 38 39 attributes #0 = { nounwind optsize ssp } 40
