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rust source #1
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mrustc (master)
rustc 1.0.0
rustc 1.1.0
rustc 1.10.0
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rustc 1.13.0
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x86-64 GCCRS 15.2 (GCC assertions)
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Options
Source code
use std::ffi::c_void; unsafe extern "C" { fn memset(p: *mut c_void, val: i32, len: usize) -> *mut c_void; } #[unsafe(no_mangle)] pub unsafe extern "C" fn entrypoint( len: usize, val: i32, ptr: *mut c_void ) -> *mut c_void { unsafe { memset(ptr, val, len) } }
llvm source #3
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Compiler
clang (assertions trunk)
clang (trunk)
clang 10.0.0
clang 10.0.1
clang 11.0.0
clang 11.0.1
clang 12.0.0
clang 12.0.1
clang 13.0.0
clang 14.0.0
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clang 18.1.0
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clang 20.1.0
clang 4.0.1
clang 5.0.0
clang 6.0.0
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clang 8.0.0
clang 9.0.0
hexagon-clang 16.0.5
llc (assertions trunk)
llc (trunk)
llc 10.0.0
llc 10.0.1
llc 11.0.0
llc 11.0.1
llc 12.0.0
llc 12.0.1
llc 13.0.0
llc 14.0.0
llc 15.0.0
llc 16.0.0
llc 17.0.1
llc 18.1.0
llc 19.1.0
llc 20.1.0
llc 3.2
llc 3.3
llc 3.9.1
llc 4.0.0
llc 4.0.1
llc 5.0.0
llc 6.0.0
llc 7.0.0
llc 8.0.0
llc 9.0.0
opt (assertions trunk)
opt (trunk)
opt 10.0.0
opt 10.0.1
opt 11.0.0
opt 11.0.1
opt 12.0.0
opt 12.0.1
opt 13.0.0
opt 14.0.0
opt 15.0.0
opt 16.0.0
opt 17.0.1
opt 18.1.0
opt 19.1.0
opt 20.1.0
opt 3.2
opt 3.3
opt 3.9.1
opt 4.0.0
opt 4.0.1
opt 5.0.0
opt 6.0.0
opt 7.0.0
opt 8.0.0
opt 9.0.0
Options
Source code
define dso_local noundef ptr @entrypoint(i32 inreg noundef %len, i32 inreg noundef %val, ptr inreg noundef returned writeonly captures(ret: address, provenance) %ptr) unnamed_addr #0 { start: %0 = trunc i32 %val to i8 tail call void @llvm.memset.p0.i32(ptr inreg noundef align 1 %ptr, i8 inreg noundef %0, i32 inreg noundef %len, i1 false) #2 ret ptr %ptr } ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write) declare void @llvm.memset.p0.i32(ptr writeonly captures(none), i8, i32, i1 immarg) #1 attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable "probe-stack"="inline-asm" "target-cpu"="pentium" } attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) } attributes #2 = { nounwind } !llvm.module.flags = !{!0} !llvm.ident = !{!1} !0 = !{i32 1, !"NumRegisterParameters", i32 3} !1 = !{!"rustc version 1.91.0-dev"}
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