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
| ; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s
%"class.std::bitset" = type { [8 x i8] }
define zeroext i1 @_Z3fooPjmS_mRSt6bitsetILm32EE(i32* nocapture %a, i64 %asize, i32* nocapture %b, i64 %bsize, %"class.std::bitset"* %bits) nounwind readonly ssp noredzone {
entry:
%tmp.i.i.i.i = bitcast %"class.std::bitset"* %bits to i64*
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
%conv = zext i32 %0 to i64
%cmp = icmp eq i64 %conv, %bsize
br i1 %cmp, label %return, label %for.body
for.body: ; preds = %for.cond
%arrayidx = getelementptr inbounds i32, i32* %b, i64 %conv
%tmp5 = load i32, i32* %arrayidx, align 4
%conv6 = zext i32 %tmp5 to i64
%rem.i.i.i.i = and i64 %conv6, 63
%tmp3.i = load i64, i64* %tmp.i.i.i.i, align 8
%shl.i.i = shl i64 1, %rem.i.i.i.i
%and.i = and i64 %shl.i.i, %tmp3.i
%cmp.i = icmp eq i64 %and.i, 0
br i1 %cmp.i, label %for.inc, label %return
for.inc: ; preds = %for.body
%inc = add i32 %0, 1
br label %for.cond
return: ; preds = %for.body, %for.cond
; CHECK-NOT: and
%retval.0 = phi i1 [ true, %for.body ], [ false, %for.cond ]
ret i1 %retval.0
}
; This test case caused an assertion failure; see PR9324.
define void @func_37() noreturn nounwind ssp {
entry:
br i1 undef, label %lbl_919, label %entry.for.inc_crit_edge
entry.for.inc_crit_edge: ; preds = %entry
br label %for.inc
lbl_919: ; preds = %for.cond7.preheader, %entry
br label %for.cond7.preheader
for.cond7.preheader: ; preds = %for.inc, %lbl_919
%storemerge.ph = phi i8 [ 0, %lbl_919 ], [ %add, %for.inc ]
br i1 undef, label %for.inc, label %lbl_919
for.inc: ; preds = %for.cond7.preheader, %entry.for.inc_crit_edge
%add = add i8 undef, 1
br label %for.cond7.preheader
}
|