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737c9f6005
r201608 made llvm corretly handle private globals with MachO. r201622 fixed a bug in it and r201624 and r201625 were changes for using private linkage, assuming that llvm would do the right thing. They all got reverted because r201608 introduced a crash in LTO. This patch includes a fix for that. The issue was that TargetLoweringObjectFile now has to be initialized before we can mangle names of private globals. This is trivially true during the normal codegen pipeline (the asm printer does it), but LTO has to do it manually. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201700 91177308-0d34-0410-b5e6-96231b3b80d8
30 lines
921 B
LLVM
30 lines
921 B
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 | FileCheck %s
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; rdar://7396984
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@str = private unnamed_addr constant [28 x i8] c"xxxxxxxxxxxxxxxxxxxxxxxxxxx\00", align 1
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define void @t(i32 %count) ssp nounwind {
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entry:
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; CHECK-LABEL: t:
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; CHECK: movups L_str+12(%rip), %xmm0
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; CHECK: movups L_str(%rip), %xmm1
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%tmp0 = alloca [60 x i8], align 1
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%tmp1 = getelementptr inbounds [60 x i8]* %tmp0, i64 0, i64 0
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br label %bb1
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bb1:
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; CHECK: LBB0_1:
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; CHECK: movups %xmm0, 12(%rsp)
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; CHECK: movaps %xmm1, (%rsp)
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%tmp2 = phi i32 [ %tmp3, %bb1 ], [ 0, %entry ]
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %tmp1, i8* getelementptr inbounds ([28 x i8]* @str, i64 0, i64 0), i64 28, i32 1, i1 false)
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%tmp3 = add i32 %tmp2, 1
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%tmp4 = icmp eq i32 %tmp3, %count
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br i1 %tmp4, label %bb2, label %bb1
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bb2:
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ret void
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}
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
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