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inllvm/llvm-project (press backspace or delete to remove)Given code:
void bar();
class foo {
int size() const;
bool empty() const;
void doit() {
if (!size())
bar();
}
};
Should warn to use empty() instead of !size() but it doesn t. https://godbolt.org/z/feGTc8vPo ...
clang-tidy
vbvictor
- 1
- Opened 56 minutes ago
- #152649
If clang-cl.exe is a drop-in replacement for cl.exe, shouldn t it provide vcruntime.h and friends? They are required by
Windows SDK. You can t develop with clang-cl.exe without a VS installation.
I understand ...
clang:headers
clang-cl
fithisux
- Opened 1 hour ago
- #152648
I found that 535.weather_t in SPEChpc 2021 experiences an 8.9% slowdown on NVIDIA Grace after #125732. This is because
one of the loops is no longer vectorized. If OpenMP is disabled, the loop is still ...
flang:openmp
llvm:optimizations
missed-optimization
yus3710-fj
- Opened 2 hours ago
- #152639
Consider the following reducer
subroutine sub(dsind)
double precision,external::dsind
if ((dsind(1.D1) (-.54D0)).or.(dsind(1.D1) (-.55D0))) ERROR STOP(2)
end
Flang failed compilation ...
flang:frontend
DanielCChen
- 2
- Opened 2 hours ago
- #152638
To track various issues
- - [ ] https://github.com/clangd/clangd/issues/2323
- - [x] https://github.com/clangd/clangd/issues/2339
- - [x] https://github.com/clangd/clangd/issues/2284
- ...
clangd
metaissue
MythreyaK
- 1
- Opened 2 hours ago
- #152637
Reproducer:
target datalayout = e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128
target triple = x86_64-unknown-linux-gnu
@g_3 = global i8 0
@.str.62 = constant [7 ...
backend:X86
generated by fuzzer
llvm:SelectionDAG
miscompilation
dtcxzyw
- 1
- Opened 3 hours ago
- #152630
Here s some IR I got from rust on LLVM21 when matching on an enum:
define noundef range(i8 0, 101) i8 @match5(i8 noundef range(i8 0, 5) %0) unnamed_addr #2 {
start:
%1 = icmp ne i8 %0, 3
tail call ...
llvm:instcombine
missed-optimization
scottmcm
- Opened 3 hours ago
- #152626
It would be great if we could improve the PDB shell tests so that:
1. Every PDB test automatically run with the NativePDB and DIA PDB implementation
2. Every PDB test only run once when DIA support ...
lldb
test-suite
JDevlieghere
- 1
- Opened 9 hours ago
- #152594
Discovered while running the offload-test-suite.
https://godbolt.org/z/MYhG9xhTT
StructuredBuffer half2 A : register(t0);
StructuredBuffer half2 B : register(t1);
StructuredBuffer float Acc : register(t2); ...
backend:DirectX
HLSL
kmpeng
- Opened 10 hours ago
- #152585
We need to pull 726847829553079a13b1b7104f2c2db9dcda9c1d into llvm21
clang:codegen
release:backport
ojhunt
- 3
- Opened 10 hours ago
- #152583
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