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Fix PR7545 crash. 

llvm-svn: 107678
This commit is contained in:
Devang Patel 2010-07-06 18:18:32 +00:00
parent e9512f0a25
commit 23a7593534
2 changed files with 32 additions and 3 deletions
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4
llvm/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
View File

@ -505,7 +505,6 @@ void X86AsmPrinter::PrintDebugValueComment(const MachineInstr *MI,
O << V.getName();
O << " <- ";
// Frame address. Currently handles register +- offset only.
assert(MI->getOperand(0).isReg() && MI->getOperand(3).isImm());
O << '['; printOperand(MI, 0, O); O << '+'; printOperand(MI, 3, O);
O << ']';
O << "+";
@ -517,7 +516,8 @@ X86AsmPrinter::getDebugValueLocation(const MachineInstr *MI) const {
MachineLocation Location;
assert (MI->getNumOperands() == 7 && "Invalid no. of machine operands!");
// Frame address. Currently handles register +- offset only.
assert(MI->getOperand(0).isReg() && MI->getOperand(3).isImm());
if (MI->getOperand(0).isReg() && MI->getOperand(3).isImm())
Location.set(MI->getOperand(0).getReg(), MI->getOperand(3).getImm());
return Location;
}

29
llvm/test/CodeGen/X86/2010-07-06-DbgCrash.ll Normal file
View File

@ -0,0 +1,29 @@
; RUN: llc -O0 -relocation-model pic -o /dev/null
; PR7545
@.str = private constant [4 x i8] c"one\00", align 1 ; <[4 x i8]*> [#uses=1]
@.str1 = private constant [4 x i8] c"two\00", align 1 ; <[5 x i8]*> [#uses=1]
@C.9.2167 = internal constant [2 x i8*] [i8* getelementptr inbounds ([4 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([4 x i8]* @.str1, i64 0, i64 0)]
!38 = metadata !{i32 524329, metadata !"pbmsrch.c", metadata !"/Users/grawp/LLVM/test-suite/MultiSource/Benchmarks/MiBench/office-stringsearch", metadata !39} ; [ DW_TAG_file_type ]
!39 = metadata !{i32 524305, i32 0, i32 1, metadata !"pbmsrch.c", metadata !"/Users/grawp/LLVM/test-suite/MultiSource/Benchmarks/MiBench/office-stringsearch", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build 9999)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
!46 = metadata !{i32 524303, metadata !38, metadata !"", metadata !38, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !47} ; [ DW_TAG_pointer_type ]!97 = metadata !{i32 524334, i32 0, metadata !38, metadata !"main", metadata !"main", metadata !"main", metadata !38, i32 73, metadata !98, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 false, null} ; [ DW_TAG_subprogram ]!101 = metadata !{[2 x i8*]* @C.9.2167}
!47 = metadata !{i32 524324, metadata !38, metadata !"char", metadata !38, i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ]
!97 = metadata !{i32 524334, i32 0, metadata !38, metadata !"main", metadata !"main", metadata !"main", metadata !38, i32 73, metadata !98, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 false, null} ; [ DW_TAG_subprogram ]
!98 = metadata !{i32 524309, metadata !38, metadata !"", metadata !38, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !99, i32 0, null} ; [ DW_TAG_subroutine_type ]
!99 = metadata !{metadata !100}
!100 = metadata !{i32 524324, metadata !38, metadata !"int", metadata !38, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
!101 = metadata !{[2 x i8*]* @C.9.2167}
!102 = metadata !{i32 524544, metadata !103, metadata !"find_strings", metadata !38, i32 75, metadata !104} ; [ DW_TAG_auto_variable ]
!103 = metadata !{i32 524299, metadata !97, i32 73, i32 0} ; [ DW_TAG_lexical_block ]
!104 = metadata !{i32 524289, metadata !38, metadata !"", metadata !38, i32 0, i64 85312, i64 64, i64 0, i32 0, metadata !46, metadata !105, i32 0, null} ; [ DW_TAG_array_type ]
!105 = metadata !{metadata !106}
!106 = metadata !{i32 524321, i64 0, i64 1332} ; [ DW_TAG_subrange_type ]
!107 = metadata !{i32 73, i32 0, metadata !103, null}
define i32 @main() nounwind ssp {
bb.nph:
tail call void @llvm.dbg.declare(metadata !101, metadata !102), !dbg !107
ret i32 0, !dbg !107
}
declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone