mirror of
https://github.com/tinygo-org/tinygo.git
synced 2026-09-11 15:09:32 +00:00
Jake Bailey
34 lines
721 B
Go
34 lines
721 B
Go
package transform
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import (
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"testing"
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"tinygo.org/x/go-llvm"
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)
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func TestBlockGlobalAllocPromotionUses(t *testing.T) {
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ctx := llvm.NewContext()
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defer ctx.Dispose()
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buf, err := llvm.NewMemoryBufferFromFile("testdata/optimizer-alloc-uses.ll")
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if err != nil {
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t.Fatal(err)
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}
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mod, err := ctx.ParseIR(buf)
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if err != nil {
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t.Fatal(err)
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}
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defer mod.Dispose()
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blockGlobalAllocPromotion(mod)
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if err := llvm.VerifyModule(mod, llvm.ReturnStatusAction); err != nil {
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t.Fatal(err)
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}
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marker := mod.NamedFunction("tinygo.gc.alloc.marker")
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if marker.IsNil() {
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t.Fatal("allocation marker was not created")
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}
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if uses := getUses(marker); len(uses) != 1 {
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t.Fatalf("got %d marker uses, want 1", len(uses))
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}
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}
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