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wasm: manual <code>i16x8.narrow_i32x4_s</code> does not optimize well

backend:WebAssembly

missed-optimization

Status: Open.

#153838 In llvm/llvm-project;

· folkertdev opened on Aug 15, 2025

Add __builtin_wasm_js_catch

backend:WebAssembly

clangClang issues not falling into any other categoryClang issues not falling into any other category

clang:codegenIR generation bugs: mangling, exceptions, etc.IR generation bugs: mangling, exceptions, etc.

clang:frontendLanguage frontend issues, e.g. anything involving "Sema"Language frontend issues, e.g. anything involving "Sema"

llvm:ir

Status: Open (in progress).

llvm/llvm-projectnumber 153767

#153767 In llvm/llvm-project;

· hoodmane opened on Aug 15, 2025

Codegen crash with <code>-mmultivalue -Xclang -target-abi -Xclang experimental-mv</code>

backend:WebAssembly

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

Status: Open.

Bug

#153567 In llvm/llvm-project;

· eisenwave opened on Aug 14, 2025

using import_name in wasm32 target causes undefined symbols if it matches a builtin

backend:WebAssembly

Status: Open.

#153438 In llvm/llvm-project;

· lesleyrs opened on Aug 13, 2025

[WebAssembly] Add support for avgr_u in loops

backend:WebAssembly

Status: Open (in progress).

llvm/llvm-projectnumber 153252

#153252 In llvm/llvm-project;

· badumbatish opened on Aug 12, 2025

[clang][WebAssembly] Handle casted function pointers with different number of arguments

backend:WebAssembly

clangClang issues not falling into any other categoryClang issues not falling into any other category

clang:codegenIR generation bugs: mangling, exceptions, etc.IR generation bugs: mangling, exceptions, etc.

Status: Open (in progress).

llvm/llvm-projectnumber 153168

#153168 In llvm/llvm-project;

· turran opened on Aug 12, 2025

[WebAssembly] Change <code>half</code> to use soft promotion rather than <code>PromoteFloat</code>

backend:WebAssembly

Status: Open (in progress).

llvm/llvm-projectnumber 152833

#152833 In llvm/llvm-project;

· tgross35 opened on Aug 9, 2025

[WebAssembly] Update the test for <code>half</code> (NFC)

backend:WebAssembly

Status: Open (in progress).

llvm/llvm-projectnumber 152832

#152832 In llvm/llvm-project;

· tgross35 opened on Aug 9, 2025

[SelectionDAG] Add <code>f16</code> soft promotion for <code>lrint</code> and <code>lround</code>

backend:AArch64

backend:ARM

backend:loongarch

backend:MIPS

backend:MSP430

backend:PowerPC

backend:RISC-V

backend:WebAssembly

backend:X86

llvm:SelectionDAGSelectionDAGISel as wellSelectionDAGISel as well

Status: Open (in progress).

llvm/llvm-projectnumber 152684

#152684 In llvm/llvm-project;

· tgross35 opened on Aug 8, 2025

[WebAssembly] Optimize away mask of 63 for shl ( zext (and i32 63)))

backend:WebAssembly

Status: Open (in progress).

llvm/llvm-projectnumber 152397

#152397 In llvm/llvm-project;

· badumbatish opened on Aug 6, 2025

[WebAssembly] Add extra pattern for dot

backend:WebAssembly

Status: Open (in progress).

llvm/llvm-projectnumber 151775

#151775 In llvm/llvm-project;

· badumbatish opened on Aug 1, 2025

Partial support for common linkage for WebAssembly

backend:WebAssembly

llvm:mcMachine (object) codeMachine (object) code

Status: Open (in progress).

llvm/llvm-projectnumber 151478

#151478 In llvm/llvm-project;

· serge-sans-paille opened on Jul 31, 2025