• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 [[REG:x[0-9]+]]
10; CHECK: strh wzr, {{\[}}[[REG]], {{.*}}, lsl #1]
11
12; Function Attrs: nounwind optsize ssp
13define void @EdgeLoop(i32 %dir, i32 %edge, i32 %width, i16* %tmp89, i32 %tmp136, i16 %tmp144) #0 {
14bb:
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
24bb212:                                            ; preds = %bb
25  store i16 %tmp144, i16* %tmp89, align 2
26  ret void
27
28bb225:                                            ; 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
39attributes #0 = { nounwind optsize ssp }
40