source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/Hexagon/early-if-spare.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 2.0 KB
Line 
1; RUN: llc -O2 -mcpu=hexagonv5 < %s | FileCheck %s
2; Check if the three stores in the loop were predicated.
3; CHECK: if{{.*}}memw
4; CHECK: if{{.*}}memw
5; CHECK: if{{.*}}memw
6
7target datalayout = "e-p:32:32:32-i64:64:64-i32:32:32-i16:16:16-i1:32:32-f64:64:64-f32:32:32-v64:64:64-v32:32:32-a0:0-n16:32"
8target triple = "hexagon"
9
10define void @fred(i32 %n, i32* %bp) nounwind {
11entry:
12  %cmp16 = icmp eq i32 %n, 0
13  br i1 %cmp16, label %for.end, label %for.body.lr.ph
14
15for.body.lr.ph:                                   ; preds = %entry
16  %cmp2 = icmp ugt i32 %n, 32
17  br label %for.body
18
19for.body:                                         ; preds = %for.inc, %for.body.lr.ph
20  %i.017 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.inc ]
21  %call = tail call i32 @foo(i32* %bp) nounwind
22  %call1 = tail call i32 @bar(i32* %bp) nounwind
23  br i1 %cmp2, label %if.then, label %if.else
24
25if.then:                                          ; preds = %for.body
26  %arrayidx = getelementptr inbounds i32, i32* %bp, i32 %i.017
27  store i32 %call, i32* %arrayidx, align 4, !tbaa !0
28  %add = add i32 %i.017, 2
29  %arrayidx3 = getelementptr inbounds i32, i32* %bp, i32 %add
30  store i32 %call1, i32* %arrayidx3, align 4, !tbaa !0
31  br label %for.inc
32
33if.else:                                          ; preds = %for.body
34  %or = or i32 %call1, %call
35  %arrayidx4 = getelementptr inbounds i32, i32* %bp, i32 %i.017
36  store i32 %or, i32* %arrayidx4, align 4, !tbaa !0
37  br label %for.inc
38
39for.inc:                                          ; preds = %if.then, %if.else
40  %inc = add i32 %i.017, 1
41  %exitcond = icmp eq i32 %inc, %n
42  br i1 %exitcond, label %for.end.loopexit, label %for.body
43
44for.end.loopexit:                                 ; preds = %for.inc
45  br label %for.end
46
47for.end:                                          ; preds = %for.end.loopexit, %entry
48  ret void
49}
50
51declare i32 @foo(i32*) nounwind
52
53declare i32 @bar(i32*) nounwind
54
55!0 = !{!"int", !1}
56!1 = !{!"omnipotent char", !2}
57!2 = !{!"Simple C/C++ TBAA"}
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