partial_write_impossible_restriction.ll
2.65 KB
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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
; RUN: opt %loadPolly -polly-stmt-granularity=bb -polly-import-jscop -polly-import-jscop-postfix=transformed -polly-codegen -S < %s | FileCheck %s
;
; The isl scheduler isolates %cond.false into two instances.
; A partial write access in one of the instances was never executed,
; which caused problems when querying for its index expression, which
; is not available in that case.
;
target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
define void @partial_write_impossible_restriction() {
entry:
br i1 undef, label %invoke.cont258, label %cond.true.i.i.i.i1007
cond.true.i.i.i.i1007:
br label %invoke.cont258
invoke.cont258:
%.pn = phi i32* [ null, %cond.true.i.i.i.i1007 ], [ null, %entry ]
br label %invoke.cont274
invoke.cont274: ; preds = %invoke.cont258
%tmp4 = load i32*, i32** undef
%tmp5 = load i32, i32* undef
%tmp6 = zext i32 %tmp5 to i64
%tmp7 = sext i32 %tmp5 to i64
br label %for.body344
for.body344: ; preds = %cond.end, %invoke.cont274
%indvars.iv1602 = phi i64 [ 0, %invoke.cont274 ], [ %indvars.iv.next1603, %cond.end ]
%indvars.iv.next1603 = add nuw nsw i64 %indvars.iv1602, 1
%cmp347 = icmp eq i64 %indvars.iv.next1603, %tmp6
br i1 %cmp347, label %cond.end, label %cond.false
cond.false: ; preds = %for.body344
%add.ptr.i1128 = getelementptr inbounds i32, i32* %tmp4, i64 %indvars.iv.next1603
%cond.in.sroa.speculate.load.cond.false = load i32, i32* %add.ptr.i1128
br label %cond.end
cond.end: ; preds = %cond.false, %for.body344
%cond.in.sroa.speculated = phi i32 [ %cond.in.sroa.speculate.load.cond.false, %cond.false ], [ undef, %for.body344 ]
%add.ptr.i1132 = getelementptr inbounds i32, i32* %.pn, i64 %indvars.iv1602
store i32 undef, i32* %add.ptr.i1132
%cmp342 = icmp slt i64 %indvars.iv.next1603, %tmp7
br i1 %cmp342, label %for.body344, label %if.then.i.i1141.loopexit
if.then.i.i1141.loopexit: ; preds = %cond.end
ret void
}
; CHECK-LABEL: polly.stmt.cond.false:
; CHECK: %polly.access..pn2 = getelementptr i32, i32* %.pn, i64 %polly.indvar
; CHECK: store i32 %cond.in.sroa.speculate.load.cond.false_p_scalar_, i32* %polly.access..pn2, align 4, !alias.scope !0, !noalias !2
; CHECK: br label %polly.merge
; CHECK-LABEL: polly.stmt.cond.false11:
; CHECK: %polly.access..pn14 = getelementptr i32, i32* %.pn, i64 0
; CHECK: store i32 %cond.in.sroa.speculate.load.cond.false_p_scalar_13, i32* %polly.access..pn14, align 4, !alias.scope !0, !noalias !2
; CHECK: br label %polly.stmt.cond.end15