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Honour setHasCalls() set from isel.
This is used in some weird cases like general dynamic TLS model. This fixes PR5723 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91144 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -136,9 +136,10 @@ void PEI::getAnalysisUsage(AnalysisUsage &AU) const {
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/// pseudo instructions.
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void PEI::calculateCallsInformation(MachineFunction &Fn) {
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const TargetRegisterInfo *RegInfo = Fn.getTarget().getRegisterInfo();
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MachineFrameInfo *FFI = Fn.getFrameInfo();
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unsigned MaxCallFrameSize = 0;
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bool HasCalls = false;
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bool HasCalls = FFI->hasCalls();
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// Get the function call frame set-up and tear-down instruction opcode
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int FrameSetupOpcode = RegInfo->getCallFrameSetupOpcode();
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@ -166,7 +167,6 @@ void PEI::calculateCallsInformation(MachineFunction &Fn) {
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HasCalls = true;
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}
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MachineFrameInfo *FFI = Fn.getFrameInfo();
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FFI->setHasCalls(HasCalls);
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FFI->setMaxCallFrameSize(MaxCallFrameSize);
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@ -4902,6 +4902,7 @@ static SDValue
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GetTLSADDR(SelectionDAG &DAG, SDValue Chain, GlobalAddressSDNode *GA,
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SDValue *InFlag, const EVT PtrVT, unsigned ReturnReg,
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unsigned char OperandFlags) {
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MachineFrameInfo *MFI = DAG.getMachineFunction().getFrameInfo();
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SDVTList NodeTys = DAG.getVTList(MVT::Other, MVT::Flag);
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DebugLoc dl = GA->getDebugLoc();
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SDValue TGA = DAG.getTargetGlobalAddress(GA->getGlobal(),
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@ -4915,6 +4916,10 @@ GetTLSADDR(SelectionDAG &DAG, SDValue Chain, GlobalAddressSDNode *GA,
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SDValue Ops[] = { Chain, TGA };
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Chain = DAG.getNode(X86ISD::TLSADDR, dl, NodeTys, Ops, 2);
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}
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// TLSADDR will be codegen'ed as call. Inform MFI that function has calls.
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MFI->setHasCalls(true);
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SDValue Flag = Chain.getValue(1);
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return DAG.getCopyFromReg(Chain, dl, ReturnReg, PtrVT, Flag);
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}
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63
test/CodeGen/X86/2009-12-11-TLSNoRedZone.ll
Normal file
63
test/CodeGen/X86/2009-12-11-TLSNoRedZone.ll
Normal file
@ -0,0 +1,63 @@
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; RUN: llc -relocation-model=pic < %s | FileCheck %s
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; PR5723
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target datalayout = "e-p:64:64"
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target triple = "x86_64-unknown-linux-gnu"
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%0 = type { [1 x i64] }
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%link = type { %0* }
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%test = type { i32, %link }
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@data = global [2 x i64] zeroinitializer, align 64 ; <[2 x i64]*> [#uses=1]
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@ptr = linkonce thread_local global [1 x i64] [i64 ptrtoint ([2 x i64]* @data to i64)], align 64 ; <[1 x i64]*> [#uses=1]
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@link_ptr = linkonce thread_local global [1 x i64] zeroinitializer, align 64 ; <[1 x i64]*> [#uses=1]
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@_dm_my_pe = external global [1 x i64], align 64 ; <[1 x i64]*> [#uses=0]
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@_dm_pes_in_prog = external global [1 x i64], align 64 ; <[1 x i64]*> [#uses=0]
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@_dm_npes_div_mult = external global [1 x i64], align 64 ; <[1 x i64]*> [#uses=0]
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@_dm_npes_div_shift = external global [1 x i64], align 64 ; <[1 x i64]*> [#uses=0]
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@_dm_pe_addr_loc = external global [1 x i64], align 64 ; <[1 x i64]*> [#uses=0]
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@_dm_offset_addr_mask = external global [1 x i64], align 64 ; <[1 x i64]*> [#uses=0]
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define void @leaf() nounwind {
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; CHECK: leaf:
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; CHECK-NOT: -8(%rsp)
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; CHECK: leaq link_ptr@TLSGD
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; CHECK: call __tls_get_addr@PLT
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"file foo2.c, line 14, bb1":
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%p = alloca %test*, align 8 ; <%test**> [#uses=4]
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br label %"file foo2.c, line 14, bb2"
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"file foo2.c, line 14, bb2": ; preds = %"file foo2.c, line 14, bb1"
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br label %"@CFE_debug_label_0"
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"@CFE_debug_label_0": ; preds = %"file foo2.c, line 14, bb2"
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%r = load %test** bitcast ([1 x i64]* @ptr to %test**), align 8 ; <%test*> [#uses=1]
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store %test* %r, %test** %p, align 8
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br label %"@CFE_debug_label_2"
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"@CFE_debug_label_2": ; preds = %"@CFE_debug_label_0"
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%r1 = load %link** bitcast ([1 x i64]* @link_ptr to %link**), align 8 ; <%link*> [#uses=1]
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%r2 = load %test** %p, align 8 ; <%test*> [#uses=1]
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%r3 = ptrtoint %test* %r2 to i64 ; <i64> [#uses=1]
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%r4 = inttoptr i64 %r3 to %link** ; <%link**> [#uses=1]
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%r5 = getelementptr %link** %r4, i64 1 ; <%link**> [#uses=1]
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store %link* %r1, %link** %r5, align 8
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br label %"@CFE_debug_label_3"
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"@CFE_debug_label_3": ; preds = %"@CFE_debug_label_2"
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%r6 = load %test** %p, align 8 ; <%test*> [#uses=1]
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%r7 = ptrtoint %test* %r6 to i64 ; <i64> [#uses=1]
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%r8 = inttoptr i64 %r7 to %link* ; <%link*> [#uses=1]
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%r9 = getelementptr %link* %r8, i64 1 ; <%link*> [#uses=1]
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store %link* %r9, %link** bitcast ([1 x i64]* @link_ptr to %link**), align 8
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br label %"@CFE_debug_label_4"
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"@CFE_debug_label_4": ; preds = %"@CFE_debug_label_3"
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%r10 = load %test** %p, align 8 ; <%test*> [#uses=1]
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%r11 = ptrtoint %test* %r10 to i64 ; <i64> [#uses=1]
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%r12 = inttoptr i64 %r11 to i32* ; <i32*> [#uses=1]
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store i32 1, i32* %r12, align 4
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br label %"@CFE_debug_label_5"
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"@CFE_debug_label_5": ; preds = %"@CFE_debug_label_4"
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ret void
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}
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