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[GCN] allow llvm.frexp and llvm.ldexp intrinsics #900

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Merged
simeonschaub merged 2 commits into from
Aug 21, 2026
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[GCN] allow llvm.frexp and llvm.ldexp intrinsics #900

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6f7e709
[GCN] accept llvm.frexp and llvm.ldexp as intrinsics
simeonschaub Aug 20, 2026
29bf6b8
Bump version.
simeonschaub Aug 21, 2026
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2 changes: 1 addition & 1 deletion Project.toml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
name = "GPUCompiler"
uuid = "61eb1bfa-7361-4325-ad38-22787b887f55"
version = "2.2.1"
version = "2.2.2"
authors = ["Tim Besard <tim.besard@gmail.com>"]

[workspace]
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9 changes: 7 additions & 2 deletions src/gcn.jl
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Expand Up @@ -39,8 +39,13 @@ end

## job

isintrinsic(@nospecialize(job::CompilerJob{GCNCompilerTarget}), fn::String) =
return startswith(fn, "llvm.amdgcn.")
function isintrinsic(@nospecialize(job::CompilerJob{GCNCompilerTarget}), fn::String)
startswith(fn, "llvm.amdgcn.") && return true
# The ROCm device libraries use `llvm.frexp` and `llvm.ldexp`, which were only added in
# LLVM 17, so they are not recognized as intrinsics by older versions of LLVM.
# Final code generation knows how to lower them, so accept them here.
return startswith(fn, "llvm.frexp.") || startswith(fn, "llvm.ldexp.")
end

pass_by_ref(@nospecialize(job::CompilerJob{GCNCompilerTarget})) = true

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