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
|
; RUN: llvm-profdata merge %S/Inputs/consecutive-zeros.proftext -o %t.profdata
; RUN: opt < %s -passes=pgo-instr-use,pgo-memop-opt -pgo-memop-count-threshold=0 -pgo-memop-percent-threshold=0 -pgo-test-profile-file=%t.profdata -S 2>&1 | FileCheck %s
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
define void @foo(ptr %dst, ptr %src, ptr %a, i32 %n) {
; CHECK: warning: Invalid Profile
entry:
br label %for.cond
for.cond:
%i.0 = phi i32 [ 0, %entry ], [ %inc5, %for.inc4 ]
%cmp = icmp slt i32 %i.0, %n
br i1 %cmp, label %for.body, label %for.end6
for.body:
br label %for.cond1
for.cond1:
%j.0 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ]
%idx.ext = sext i32 %i.0 to i64
%add.ptr = getelementptr inbounds i32, ptr %a, i64 %idx.ext
%0 = load i32, ptr %add.ptr, align 4
%cmp2 = icmp slt i32 %j.0, %0
br i1 %cmp2, label %for.body3, label %for.end
for.body3:
%add = add nsw i32 %i.0, 1
%conv = sext i32 %add to i64
call void @llvm.memcpy.p0.p0.i64(ptr %dst, ptr %src, i64 %conv, i1 false)
%memcmp = call i32 @memcmp(ptr %dst, ptr %src, i64 %conv)
%bcmp = call i32 @bcmp(ptr %dst, ptr %src, i64 %conv)
br label %for.inc
for.inc:
%inc = add nsw i32 %j.0, 1
br label %for.cond1
for.end:
br label %for.inc4
for.inc4:
%inc5 = add nsw i32 %i.0, 1
br label %for.cond
for.end6:
ret void
}
declare void @llvm.lifetime.start(i64, ptr nocapture)
declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1)
declare i32 @memcmp(ptr, ptr, i64)
declare i32 @bcmp(ptr, ptr, i64)
declare void @llvm.lifetime.end(i64, ptr nocapture)
|
