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Revert r103133 and add testcase from PR7066.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103233 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -843,18 +843,8 @@ void RALocal::AllocateBasicBlock(MachineBasicBlock &MBB) {
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SmallVector<unsigned, 8> Kills;
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for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
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MachineOperand &MO = MI->getOperand(i);
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if (!MO.isReg()) continue;
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unsigned Reg = MO.getReg();
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if (!Reg) continue;
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// Avoid allocating assigned early clobbers below.
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if (MO.isEarlyClobber() && TargetRegisterInfo::isPhysicalRegister(Reg)) {
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spillPhysReg(MBB, MI, Reg, true); // Spill any existing value in reg
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PhysRegsUsed[Reg] = 0; // It is free and reserved now
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AddToPhysRegsUseOrder(Reg);
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}
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if (!MO.isKill()) continue;
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if (!MO.isReg() || !MO.isKill()) continue;
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if (!MO.isImplicit())
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Kills.push_back(MO.getReg());
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else if (!isReadModWriteImplicitKill(MI, MO.getReg()))
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@ -1,5 +1,7 @@
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; RUN: llc < %s -O0 -regalloc=local | FileCheck %s
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; PR6520
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; XFAIL: *
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
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target triple = "i386-apple-darwin10.0.0"
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test/CodeGen/X86/2010-05-06-LocalInlineAsmClobber.ll
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10
test/CodeGen/X86/2010-05-06-LocalInlineAsmClobber.ll
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@ -0,0 +1,10 @@
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; RUN: llc -regalloc=local %s -o /dev/null
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; PR7066
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-unknown-linux-gnu"
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define i32 @sys_clone(i32 (i8*)* %fn, i8* %child_stack, i32 %flags, i8* %arg, i32* %parent_tidptr, i8* %newtls, i32* %child_tidptr) nounwind {
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call i64 asm sideeffect "", "={ax},0,i,i,r,{si},{di},r,{dx},imr,imr,~{sp},~{memory},~{r8},~{r10},~{r11},~{cx},~{dirflag},~{fpsr},~{flags}"(i64 4294967274, i32 56, i32 60, i32 (i8*)* undef, i8* undef, i32 undef, i8* undef, i32* undef, i8* undef, i32* undef) nounwind ; <i64> [#uses=0]
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ret i32 undef
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}
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