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[AArch64] boolean or+sext can be done with addhn
backend:AArch64
missed-optimization
#125611
opened Feb 4, 2025 by
dzaima
__riscv_vsetvlmax_e64m1 & co not available with attribute target arch=+v
backend:RISC-V
clang:headers
Headers provided by Clang, e.g. for intrinsics
#125154
opened Jan 31, 2025 by
dzaima
Volatile load before unreachable is optimized out
llvm:optimizations
#102237
opened Aug 6, 2024 by
dzaima
Support choosing assembly dialect per snippet in clang
inline-asm
#101328
opened Jul 31, 2024 by
dzaima
__builtin_nondeterministic_value is converted to a zero
llvm:instcombine
#101121
opened Jul 30, 2024 by
dzaima
Excessive moving of SIMD registers on x86-64
backend:X86
missed-optimization
#81391
opened Feb 11, 2024 by
dzaima
Inefficient codegen for loop with known small trip count
loopoptim
missed-optimization
vectorizers
#80298
opened Feb 1, 2024 by
dzaima
Bizarre optimization of simple array-filling loop in -Os
missed-optimization
vectorizers
#66652
opened Sep 18, 2023 by
dzaima
Behavior of overflowing floating-point to integer conversions
llvm:optimizations
undefined behaviour
#66603
opened Sep 17, 2023 by
dzaima
Inefficient codegen for checking top bits of a 64-bit integer
llvm:optimizations
#62145
opened Apr 14, 2023 by
dzaima
Stack-returned struct prevents tail-calls and moving operations to registers
llvm:optimizations
#61195
opened Mar 5, 2023 by
dzaima
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