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