diff options
Diffstat (limited to 'compiler/symbol.go')
| -rw-r--r-- | compiler/symbol.go | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/compiler/symbol.go b/compiler/symbol.go index 01b3fc377..61ca4473c 100644 --- a/compiler/symbol.go +++ b/compiler/symbol.go @@ -10,6 +10,7 @@ import ( "strconv" "strings" + "github.com/tinygo-org/tinygo/compiler/llvmutil" "github.com/tinygo-org/tinygo/loader" "golang.org/x/tools/go/ssa" "tinygo.org/x/go-llvm" @@ -353,7 +354,15 @@ func (c *compilerContext) addStandardDefinedAttributes(llvmFn llvm.Value) { llvmFn.AddFunctionAttr(c.ctx.CreateEnumAttribute(llvm.AttributeKindID("nounwind"), 0)) if strings.Split(c.Triple, "-")[0] == "x86_64" { // Required by the ABI. - llvmFn.AddFunctionAttr(c.ctx.CreateEnumAttribute(llvm.AttributeKindID("uwtable"), 0)) + if llvmutil.Major() < 15 { + // Needed for LLVM 14 support. + llvmFn.AddFunctionAttr(c.ctx.CreateEnumAttribute(llvm.AttributeKindID("uwtable"), 0)) + } else { + // The uwtable has two possible values: sync (1) or async (2). We + // use sync because we currently don't use async unwind tables. + // For details, see: https://llvm.org/docs/LangRef.html#function-attributes + llvmFn.AddFunctionAttr(c.ctx.CreateEnumAttribute(llvm.AttributeKindID("uwtable"), 1)) + } } } |