Make sure stack manipulation refers to ESP the right number of times
llvm-svn: 5086
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@ -1092,7 +1092,8 @@ ISel::visitAllocaInst (AllocaInst &I)
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unsigned int allocatedTypeWords = allocatedTypeSize / 4;
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if (allocatedTypeSize % 4 != 0) { allocatedTypeWords++; }
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// Subtract size from stack pointer, thereby allocating some space.
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BuildMI (BB, X86::SUBri32, 1, X86::ESP).addZImm (allocatedTypeWords * 4);
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BuildMI(BB, X86::SUBri32, 2,
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X86::ESP).addReg(X86::ESP).addZImm(allocatedTypeWords * 4);
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// Put a pointer to the space into the result register, by copying
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// the stack pointer.
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BuildMI (BB, X86::MOVrr32, 1, getReg (I)).addReg (X86::ESP);
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