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Assertion failed: "start of copy chain MUST be COPY" on RISC-V after using asm goto with outputs

[ARCH] risc-vThis bug impacts ARCH=riscvThis bug impacts ARCH=riscv

[BUG] llvmA bug that should be fixed in upstream LLVMA bug that should be fixed in upstream LLVM

[WORKAROUND] SubmittedThis bug has a submitted workaroundThis bug has a submitted workaround

asm gotorelated to the implementation of asm gotorelated to the implementation of asm goto

Compiler crash (assertions)This bug makes Clang crash when assertions are enabled, emitting a backtraceThis bug makes Clang crash when assertions are enabled, emitting a backtrace

Reported upstreamThis bug was filed on LLVM’s issue tracker, Phabricator, or the kernel mailing list.This bug was filed on LLVM’s issue tracker, Phabricator, or the kernel mailing list.

Status: Open.

#2092 In ClangBuiltLinux/linux;

· nathanchance opened on May 27, 2025

LLVM assembler does not support '.set eva'

[ARCH] mipsThis bug impacts ARCH=mipsThis bug impacts ARCH=mips

[BUG] llvmA bug that should be fixed in upstream LLVMA bug that should be fixed in upstream LLVM

[TOOL] integrated-asThe issue is relevant to LLVM integrated assemblerThe issue is relevant to LLVM integrated assembler

low priorityThis bug is not critical and not a priorityThis bug is not critical and not a priority

Status: Open.

#2086 In ClangBuiltLinux/linux;

· nathanchance opened on Apr 14, 2025

-Wframe-larger-than in drivers/gpu/drm/omapdrm/dss/dispc.c

[BUG] llvmA bug that should be fixed in upstream LLVMA bug that should be fixed in upstream LLVM

Reported upstreamThis bug was filed on LLVM’s issue tracker, Phabricator, or the kernel mailing list.This bug was filed on LLVM’s issue tracker, Phabricator, or the kernel mailing list.

Status: Open.

#2038 In ClangBuiltLinux/linux;

· nathanchance opened on Jul 17, 2024

With LTO and LTO cache, .incbin in assembly is not handled properly during incremental builds

[BUG] llvmA bug that should be fixed in upstream LLVMA bug that should be fixed in upstream LLVM

[FEATURE] LTORelated to building the kernel with LLVM Link Time OptimizationRelated to building the kernel with LLVM Link Time Optimization

[WORKAROUND] AcceptedThis bug has an accepted workaroundThis bug has an accepted workaround

Status: Open.

#2021 In ClangBuiltLinux/linux;

· jacky8hyf opened on Apr 29, 2024

__muloti4 generated after "buffer: Fix grow_buffers() for block size > PAGE_SIZE"

[BUG] llvmA bug that should be fixed in upstream LLVMA bug that should be fixed in upstream LLVM

[WORKAROUND] AppliedThis bug has an applied workaroundThis bug has an applied workaround

Status: Open.

#1958 In ClangBuiltLinux/linux;

· nathanchance opened on Nov 13, 2023

Clang incorrectly calculates shadow memory address for KASAN_SW_TAGS

[ARCH] arm64This bug impacts ARCH=arm64This bug impacts ARCH=arm64

[BUG] llvmA bug that should be fixed in upstream LLVMA bug that should be fixed in upstream LLVM

Status: Open.

#1956 In ClangBuiltLinux/linux;

· xairy opened on Nov 3, 2023

error: unknown register name 'sp' in asm

[ARCH] m68kThis bug impacts ARCH=m68k (Experimental LLVM backend)This bug impacts ARCH=m68k (Experimental LLVM backend)

[BUG] llvmA bug that should be fixed in upstream LLVMA bug that should be fixed in upstream LLVM

Status: Open.

#1945 In ClangBuiltLinux/linux;

· JustinStitt opened on Oct 13, 2023

RISC-V linker relaxation breaks booting with LTO

[ARCH] risc-vThis bug impacts ARCH=riscvThis bug impacts ARCH=riscv

[BUG] llvmA bug that should be fixed in upstream LLVMA bug that should be fixed in upstream LLVM

[FEATURE] LTORelated to building the kernel with LLVM Link Time OptimizationRelated to building the kernel with LLVM Link Time Optimization

[TOOL] lldThe issue is relevant to LLD linkerThe issue is relevant to LLD linker

[WORKAROUND] AppliedThis bug has an applied workaroundThis bug has an applied workaround

Status: Open.

#1942 In ClangBuiltLinux/linux;

· nathanchance opened on Oct 5, 2023

__has_attribute(__preserve_most__) returns true even when a target doesn't support it

[BUG] llvmA bug that should be fixed in upstream LLVMA bug that should be fixed in upstream LLVM

enhancementNew feature or requestNew feature or request

Status: Open.

#1908 In ClangBuiltLinux/linux;

· nickdesaulniers opened on Aug 9, 2023

improving clang constant expression evaluation

[BUG] llvmA bug that should be fixed in upstream LLVMA bug that should be fixed in upstream LLVM

enhancementNew feature or requestNew feature or request

low priorityThis bug is not critical and not a priorityThis bug is not critical and not a priority

Status: Open.

#1906 In ClangBuiltLinux/linux;

· nickdesaulniers opened on Aug 8, 2023

more missing -mcpu values for powerpc

[ARCH] powerpcThis bug impacts ARCH=powerpcThis bug impacts ARCH=powerpc

[BUG] llvmA bug that should be fixed in upstream LLVMA bug that should be fixed in upstream LLVM

Status: Open.

#1820 In ClangBuiltLinux/linux;

· nickdesaulniers opened on Mar 20, 2023

asm goto generating endbr with -fcf-protection=branch

[ARCH] x86_64This bug impacts ARCH=x86_64This bug impacts ARCH=x86_64

[BUG] llvmA bug that should be fixed in upstream LLVMA bug that should be fixed in upstream LLVM

asm gotorelated to the implementation of asm gotorelated to the implementation of asm goto

Status: Open.

#1793 In ClangBuiltLinux/linux;

· nickdesaulniers opened on Jan 17, 2023