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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
; RUN: opt -S -O3 < %s | FileCheck %s
define void @test(ptr noundef %a, i32 noundef %beam) {
; CHECK-LABEL: define void @test
; CHECK-SAME: (ptr nocapture noundef writeonly [[A:%.*]], i32 noundef [[BEAM:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] {
; CHECK-NEXT: entry:
; CHECK-NEXT: [[MUL:%.*]] = shl nuw nsw i32 [[BEAM]], 1
; CHECK-NEXT: [[IDXPROM:%.*]] = zext nneg i32 [[MUL]] to i64
; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[IDXPROM]]
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.cond.cleanup:
; CHECK-NEXT: ret void
; CHECK: for.body:
; CHECK-NEXT: [[I_06:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INC:%.*]], [[FOR_INC:%.*]] ]
; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[I_06]], [[BEAM]]
; CHECK-NEXT: br i1 [[CMP1]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]]
; CHECK: if.then:
; CHECK-NEXT: store i32 0, ptr [[ARRAYIDX]], align 4
; CHECK-NEXT: br label [[FOR_INC]]
; CHECK: if.else:
; CHECK-NEXT: [[MUL2:%.*]] = shl nuw nsw i32 [[I_06]], 1
; CHECK-NEXT: [[IDXPROM3:%.*]] = zext nneg i32 [[MUL2]] to i64
; CHECK-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds nuw i32, ptr [[A]], i64 [[IDXPROM3]]
; CHECK-NEXT: store i32 1, ptr [[ARRAYIDX4]], align 4
; CHECK-NEXT: br label [[FOR_INC]]
; CHECK: for.inc:
; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_06]], 1
; CHECK-NEXT: [[CMP:%.*]] = icmp samesign ult i32 [[I_06]], 9999
; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_COND_CLEANUP:%.*]]
;
entry:
%a.addr = alloca ptr, align 8
%beam.addr = alloca i32, align 4
%i = alloca i32, align 4
store ptr %a, ptr %a.addr, align 8
store i32 %beam, ptr %beam.addr, align 4
call void @llvm.lifetime.start.p0(i64 4, ptr %i)
store i32 0, ptr %i, align 4
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%0 = load i32, ptr %i, align 4
%cmp = icmp slt i32 %0, 10000
br i1 %cmp, label %for.body, label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond
call void @llvm.lifetime.end.p0(i64 4, ptr %i)
br label %for.end
for.body: ; preds = %for.cond
%1 = load i32, ptr %i, align 4
%2 = load i32, ptr %beam.addr, align 4
%cmp1 = icmp eq i32 %1, %2
br i1 %cmp1, label %if.then, label %if.else
if.then: ; preds = %for.body
%3 = load ptr, ptr %a.addr, align 8
%4 = load i32, ptr %i, align 4
%mul = mul nsw i32 2, %4
%idxprom = sext i32 %mul to i64
%arrayidx = getelementptr inbounds i32, ptr %3, i64 %idxprom
store i32 0, ptr %arrayidx, align 4
br label %if.end
if.else: ; preds = %for.body
%5 = load ptr, ptr %a.addr, align 8
%6 = load i32, ptr %i, align 4
%mul2 = mul nsw i32 2, %6
%idxprom3 = sext i32 %mul2 to i64
%arrayidx4 = getelementptr inbounds i32, ptr %5, i64 %idxprom3
store i32 1, ptr %arrayidx4, align 4
br label %if.end
if.end: ; preds = %if.else, %if.then
br label %for.inc
for.inc: ; preds = %if.end
%7 = load i32, ptr %i, align 4
%inc = add nsw i32 %7, 1
store i32 %inc, ptr %i, align 4
br label %for.cond
for.end: ; preds = %for.cond.cleanup
ret void
}
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)
|
