Files
clang-p2996/llvm/test/Transforms/PGOProfile/memcpy.ll
Amy Huang 7b1d793713 Reland "Change the X86 datalayout to add three address spaces
for 32 bit signed, 32 bit unsigned, and 64 bit pointers."
This reverts 57076d3199.

Original review at https://reviews.llvm.org/D64931.
Review for added fix at https://reviews.llvm.org/D66843.

llvm-svn: 371568
2019-09-10 23:15:38 +00:00

36 lines
1.2 KiB
LLVM

; 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-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(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)