本文整理汇总了C++中SelectInst::replaceAllUsesWith方法的典型用法代码示例。如果您正苦于以下问题：C++ SelectInst::replaceAllUsesWith方法的具体用法？C++ SelectInst::replaceAllUsesWith怎么用？C++ SelectInst::replaceAllUsesWith使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SelectInst的用法示例。
在下文中一共展示了SelectInst::replaceAllUsesWith方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: assert
bool AMDGPUCodeGenPrepare::promoteUniformOpToI32(SelectInst &I) const {
assert(needsPromotionToI32(I.getType()) &&
"I does not need promotion to i32");
IRBuilder<> Builder(&I);
Builder.SetCurrentDebugLocation(I.getDebugLoc());
Type *I32Ty = getI32Ty(Builder, I.getType());
Value *ExtOp1 = nullptr;
Value *ExtOp2 = nullptr;
Value *ExtRes = nullptr;
Value *TruncRes = nullptr;
if (isSigned(I)) {
ExtOp1 = Builder.CreateSExt(I.getOperand(1), I32Ty);
ExtOp2 = Builder.CreateSExt(I.getOperand(2), I32Ty);
} else {
ExtOp1 = Builder.CreateZExt(I.getOperand(1), I32Ty);
ExtOp2 = Builder.CreateZExt(I.getOperand(2), I32Ty);
}
ExtRes = Builder.CreateSelect(I.getOperand(0), ExtOp1, ExtOp2);
TruncRes = Builder.CreateTrunc(ExtRes, I.getType());
I.replaceAllUsesWith(TruncRes);
I.eraseFromParent();
return true;
}