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Fix an off by one error.

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Part of rdar://9037836 and rdar://9119939


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132590 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2011-06-03 20:44:52 +00:00
parent c3526c778e
commit ce1ecf59c8
2 changed files with 10 additions and 2 deletions
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3
lib/VMCore/InlineAsm.cpp
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@@ -185,11 +185,10 @@ bool InlineAsm::ConstraintInfo::Parse(StringRef Str,
// Multi-letter constraint // Multi-letter constraint
// These will only occur with the existing multiple alternative // These will only occur with the existing multiple alternative
// constraints and so we can use the isalpha loop below. // constraints and so we can use the isalpha loop below.
StringRef::iterator ConStart = I; StringRef::iterator ConStart = ++I;
while (I != E && isalpha(*I)) while (I != E && isalpha(*I))
++I; ++I;
pCodes->push_back(std::string(ConStart, I)); pCodes->push_back(std::string(ConStart, I));
++I;
} else { } else {
// Single letter constraint. // Single letter constraint.
pCodes->push_back(std::string(I, I+1)); pCodes->push_back(std::string(I, I+1));

9
test/CodeGen/ARM/inlineasm3.ll
View File

@@ -41,3 +41,12 @@ entry:
tail call void asm sideeffect "flds s15, $0 \0A", "^Uv|m,~{s15}"(float 1.000000e+00) nounwind tail call void asm sideeffect "flds s15, $0 \0A", "^Uv|m,~{s15}"(float 1.000000e+00) nounwind
ret i32 0 ret i32 0
} }
; Radar 9037836 & 9119939
@k.2126 = internal unnamed_addr global float 1.000000e+00
define i32 @t4() nounwind {
entry:
call void asm sideeffect "flds s15, $0 \0A", "*^Uv,~{s15}"(float* @k.2126) nounwind
ret i32 0
}