File: memcpy.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (35 lines) | stat: -rw-r--r-- 1,243 bytes parent folder | download | duplicates (5)
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
; RUN: opt < %s -pgo-instr-gen -instrprof -S | FileCheck %s
; RUN: opt <%s -passes=pgo-instr-gen,instrprof -S | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

define void @foo(i8* %dst, i8* %src, i32* %a, i32 %n) {
entry:
  br label %for.cond

for.cond:
  %i.0 = phi i32 [ 0, %entry ], [ %add, %for.cond1 ]
  %cmp = icmp slt i32 %i.0, %n
  br i1 %cmp, label %for.cond1, label %for.end6

for.cond1:
  %j.0 = phi i32 [ %inc, %for.body3 ], [ 0, %for.cond ]
  %idx.ext = sext i32 %i.0 to i64
  %add.ptr = getelementptr inbounds i32, i32* %a, i64 %idx.ext
  %0 = load i32, i32* %add.ptr, align 4
  %cmp2 = icmp slt i32 %j.0, %0
  %add = add nsw i32 %i.0, 1
  br i1 %cmp2, label %for.body3, label %for.cond

for.body3:
  %conv = sext i32 %add to i64
; CHECK: call void @__llvm_profile_instrument_range(i64 %conv, i8* bitcast ({ i64, i64, i64*, i8*, i8*, i32, [2 x i16] }* @__profd_foo to i8*), i32 0, i64 0, i64 8, i64 8192)
  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %dst, i8* %src, i64 %conv, i1 false)
  %inc = add nsw i32 %j.0, 1
  br label %for.cond1

for.end6:
  ret void
}

declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1)