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use ArgOperand API

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llvm-svn: 107278
This commit is contained in:
Gabor Greif 2010-06-30 12:42:43 +00:00
parent c0b5e221cb
commit 016e24ce4c
1 changed files with 12 additions and 10 deletions
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22
lib/Transforms/Scalar/SimplifyLibCalls.cpp
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@ -348,7 +348,7 @@ struct StrNCmpOpt : public LibCallOptimization {
return ConstantInt::get(CI->getType(), 0);
if (TD && Length == 1) // strncmp(x,y,1) -> memcmp(x,y,1)
return EmitMemCmp(Str1P, Str2P, CI->getOperand(3), B, TD);
return EmitMemCmp(Str1P, Str2P, CI->getArgOperand(2), B, TD);
std::string Str1, Str2;
bool HasStr1 = GetConstantStringInfo(Str1P, Str1);
@ -526,9 +526,9 @@ struct StrStrOpt : public LibCallOptimization {
return B.CreateBitCast(CI->getArgOperand(0), CI->getType());
// fold strstr(a, b) == a -> strncmp(a, b, strlen(b)) == 0
if (TD && IsOnlyUsedInEqualityComparison(CI, CI->getOperand(1))) {
Value *StrLen = EmitStrLen(CI->getOperand(2), B, TD);
Value *StrNCmp = EmitStrNCmp(CI->getOperand(1), CI->getOperand(2),
if (TD && IsOnlyUsedInEqualityComparison(CI, CI->getArgOperand(0))) {
Value *StrLen = EmitStrLen(CI->getArgOperand(1), B, TD);
Value *StrNCmp = EmitStrNCmp(CI->getArgOperand(0), CI->getArgOperand(1),
StrLen, B, TD);
for (Value::use_iterator UI = CI->use_begin(), UE = CI->use_end();
UI != UE; ) {
@ -994,7 +994,7 @@ struct PrintFOpt : public LibCallOptimization {
// Optimize specific format strings.
// printf("%c", chr) --> putchar(chr)
if (FormatStr == "%c" && CI->getNumOperands() > 2 &&
if (FormatStr == "%c" && CI->getNumArgOperands() > 1 &&
CI->getArgOperand(1)->getType()->isIntegerTy()) {
Value *Res = EmitPutChar(CI->getArgOperand(1), B, TD);
@ -1003,7 +1003,7 @@ struct PrintFOpt : public LibCallOptimization {
}
// printf("%s\n", str) --> puts(str)
if (FormatStr == "%s\n" && CI->getNumOperands() > 2 &&
if (FormatStr == "%s\n" && CI->getNumArgOperands() > 1 &&
CI->getArgOperand(1)->getType()->isPointerTy() &&
CI->use_empty()) {
EmitPutS(CI->getArgOperand(1), B, TD);
@ -1031,7 +1031,7 @@ struct SPrintFOpt : public LibCallOptimization {
return 0;
// If we just have a format string (nothing else crazy) transform it.
if (CI->getNumOperands() == 3) {
if (CI->getNumArgOperands() == 2) {
// Make sure there's no % in the constant array. We could try to handle
// %% -> % in the future if we cared.
for (unsigned i = 0, e = FormatStr.size(); i != e; ++i)
@ -1050,7 +1050,8 @@ struct SPrintFOpt : public LibCallOptimization {
// The remaining optimizations require the format string to be "%s" or "%c"
// and have an extra operand.
if (FormatStr.size() != 2 || FormatStr[0] != '%' || CI->getNumOperands() <4)
if (FormatStr.size() != 2 || FormatStr[0] != '%' ||
CI->getNumArgOperands() < 3)
return 0;
// Decode the second character of the format string.
@ -1166,7 +1167,7 @@ struct FPrintFOpt : public LibCallOptimization {
return 0;
// fprintf(F, "foo") --> fwrite("foo", 3, 1, F)
if (CI->getNumOperands() == 3) {
if (CI->getNumArgOperands() == 2) {
for (unsigned i = 0, e = FormatStr.size(); i != e; ++i)
if (FormatStr[i] == '%') // Could handle %% -> % if we cared.
return 0; // We found a format specifier.
@ -1183,7 +1184,8 @@ struct FPrintFOpt : public LibCallOptimization {
// The remaining optimizations require the format string to be "%s" or "%c"
// and have an extra operand.
if (FormatStr.size() != 2 || FormatStr[0] != '%' || CI->getNumOperands() <4)
if (FormatStr.size() != 2 || FormatStr[0] != '%' ||
CI->getNumArgOperands() < 3)
return 0;
// Decode the second character of the format string.