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[SILoadStoreOptimizer] Use std::abs to avoid truncation.

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Using regular abs() causes the following warning

error: absolute value function 'abs' given an argument of type 'int64_t' (aka 'long') but has parameter of type 'int' which may cause truncation of value [-Werror,-Wabsolute-value]
        (uint32_t)abs(Dist) > MaxDist) {
                  ^
lib/Target/AMDGPU/SILoadStoreOptimizer.cpp:1369:19: note: use function 'std::abs' instead

which causes a bot to fail:
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/18284/steps/bootstrap%20clang/logs/stdio

llvm-svn: 349224
This commit is contained in:
Florian Hahn 2018-12-15 01:32:58 +00:00
parent 08bdd31e0d
commit eebabb0665
1 changed files with 2 additions and 2 deletions
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4
lib/Target/AMDGPU/SILoadStoreOptimizer.cpp
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@ -1366,8 +1366,8 @@ bool SILoadStoreOptimizer::promoteConstantOffsetToImm(
AM.HasBaseReg = true;
AM.BaseOffs = Dist;
if (TLI->isLegalGlobalAddressingMode(AM) &&
(uint32_t)abs(Dist) > MaxDist) {
MaxDist = abs(Dist);
(uint32_t)std::abs(Dist) > MaxDist) {
MaxDist = std::abs(Dist);
AnchorAddr = MAddrNext;
AnchorInst = &MINext;