478dd3a28d
This attribute is also set by Clang when it compiles C source files (unless -fexceptions is set). The advantage is that no unwind tables are emitted on Linux (and perhaps other systems). It also avoids __aeabi_unwind_cpp_pr0 on ARM when using the musl libc.
61 строка
1,8 КиБ
LLVM
61 строка
1,8 КиБ
LLVM
; ModuleID = 'pointer.go'
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source_filename = "pointer.go"
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-wasi"
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declare noalias nonnull i8* @runtime.alloc(i32, i8*, i8*)
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; Function Attrs: nounwind
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define hidden void @main.init(i8* %context, i8* %parentHandle) unnamed_addr #0 {
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entry:
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ret void
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}
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; Function Attrs: nounwind
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define hidden [0 x i32] @main.pointerDerefZero([0 x i32]* %x, i8* %context, i8* %parentHandle) unnamed_addr #0 {
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entry:
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ret [0 x i32] zeroinitializer
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}
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; Function Attrs: nounwind
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define hidden i32* @main.pointerCastFromUnsafe(i8* %x, i8* %context, i8* %parentHandle) unnamed_addr #0 {
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entry:
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%0 = bitcast i8* %x to i32*
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ret i32* %0
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}
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; Function Attrs: nounwind
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define hidden i8* @main.pointerCastToUnsafe(i32* dereferenceable_or_null(4) %x, i8* %context, i8* %parentHandle) unnamed_addr #0 {
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entry:
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%0 = bitcast i32* %x to i8*
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ret i8* %0
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}
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; Function Attrs: nounwind
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define hidden i8* @main.pointerCastToUnsafeNoop(i8* dereferenceable_or_null(1) %x, i8* %context, i8* %parentHandle) unnamed_addr #0 {
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entry:
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ret i8* %x
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}
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; Function Attrs: nounwind
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define hidden i8* @main.pointerUnsafeGEPFixedOffset(i8* dereferenceable_or_null(1) %ptr, i8* %context, i8* %parentHandle) unnamed_addr #0 {
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entry:
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%0 = getelementptr inbounds i8, i8* %ptr, i32 10
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ret i8* %0
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}
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; Function Attrs: nounwind
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define hidden i8* @main.pointerUnsafeGEPByteOffset(i8* dereferenceable_or_null(1) %ptr, i32 %offset, i8* %context, i8* %parentHandle) unnamed_addr #0 {
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entry:
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%0 = getelementptr inbounds i8, i8* %ptr, i32 %offset
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ret i8* %0
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}
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; Function Attrs: nounwind
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define hidden i32* @main.pointerUnsafeGEPIntOffset(i32* dereferenceable_or_null(4) %ptr, i32 %offset, i8* %context, i8* %parentHandle) unnamed_addr #0 {
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entry:
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%0 = getelementptr i32, i32* %ptr, i32 %offset
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ret i32* %0
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}
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attributes #0 = { nounwind }
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