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Don't crash printing the asm for a ConstantExpr PtrToInt just because the int
is narrower than the pointer. This testcase emits: .byte (((17) - 16) & 255) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54517 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -821,12 +821,13 @@ void AsmPrinter::EmitConstantValueOnly(const Constant *CV) {
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// We can emit the pointer value into this slot if the slot is an
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// integer slot greater or equal to the size of the pointer.
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if (Ty->isInteger() &&
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TD->getABITypeSize(Ty) >= TD->getABITypeSize(Op->getType()))
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if (TD->getABITypeSize(Ty) >= TD->getABITypeSize(Op->getType()))
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return EmitConstantValueOnly(Op);
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assert(0 && "FIXME: Don't yet support this kind of constant cast expr");
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O << "((";
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EmitConstantValueOnly(Op);
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APInt ptrMask = APInt::getAllOnesValue(TD->getABITypeSizeInBits(Ty));
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O << ") & " << ptrMask.toStringUnsigned() << ')';
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break;
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}
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case Instruction::Add:
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7
test/CodeGen/Generic/2008-08-07-PtrToInt-SmallerInt.ll
Normal file
7
test/CodeGen/Generic/2008-08-07-PtrToInt-SmallerInt.ll
Normal file
@ -0,0 +1,7 @@
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; RUN: llvm-as < %s | llc
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; PR2603
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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-f80:32:32"
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target triple = "i386-pc-linux-gnu"
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%struct.A = type { i8 }
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%struct.B = type { i8, [1 x i8] }
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@Foo = constant %struct.A { i8 ptrtoint (i8* getelementptr ([1 x i8]* inttoptr (i32 17 to [1 x i8]*), i32 0, i32 -16) to i8) } ; <%struct.A*> [#uses=0]
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