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ssa: compile go string constant without alloca

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This commit is contained in:
Li Jie
2024-11-24 15:19:16 +08:00
parent 17832fe18c
commit 43c1bc8d5f
73 changed files with 9742 additions and 21877 deletions
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46
cl/_testlibgo/os/out.ll
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@@ -35,43 +35,25 @@ _llgo_0:
%4 = extractvalue { %"github.com/goplus/llgo/internal/runtime.String", %"github.com/goplus/llgo/internal/runtime.iface" } %2, 1
%5 = call ptr @"github.com/goplus/llgo/internal/runtime.IfaceType"(%"github.com/goplus/llgo/internal/runtime.iface" %4)
%6 = extractvalue %"github.com/goplus/llgo/internal/runtime.iface" %4, 1
%7 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
%8 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %7, i32 0, i32 0
store ptr %5, ptr %8, align 8
%9 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %7, i32 0, i32 1
store ptr %6, ptr %9, align 8
%10 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %7, align 8
%11 = call ptr @"github.com/goplus/llgo/internal/runtime.IfaceType"(%"github.com/goplus/llgo/internal/runtime.iface" zeroinitializer)
%12 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
%13 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %12, i32 0, i32 0
store ptr %11, ptr %13, align 8
%14 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %12, i32 0, i32 1
store ptr null, ptr %14, align 8
%15 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %12, align 8
%16 = call i1 @"github.com/goplus/llgo/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/internal/runtime.eface" %10, %"github.com/goplus/llgo/internal/runtime.eface" %15)
%17 = xor i1 %16, true
br i1 %17, label %_llgo_1, label %_llgo_2
%7 = insertvalue %"github.com/goplus/llgo/internal/runtime.eface" undef, ptr %5, 0
%8 = insertvalue %"github.com/goplus/llgo/internal/runtime.eface" %7, ptr %6, 1
%9 = call ptr @"github.com/goplus/llgo/internal/runtime.IfaceType"(%"github.com/goplus/llgo/internal/runtime.iface" zeroinitializer)
%10 = insertvalue %"github.com/goplus/llgo/internal/runtime.eface" undef, ptr %9, 0
%11 = insertvalue %"github.com/goplus/llgo/internal/runtime.eface" %10, ptr null, 1
%12 = call i1 @"github.com/goplus/llgo/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/internal/runtime.eface" %8, %"github.com/goplus/llgo/internal/runtime.eface" %11)
%13 = xor i1 %12, true
br i1 %13, label %_llgo_1, label %_llgo_2
_llgo_1: ; preds = %_llgo_0
%18 = call ptr @"github.com/goplus/llgo/internal/runtime.IfaceType"(%"github.com/goplus/llgo/internal/runtime.iface" %4)
%19 = extractvalue %"github.com/goplus/llgo/internal/runtime.iface" %4, 1
%20 = alloca %"github.com/goplus/llgo/internal/runtime.eface", align 8
%21 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %20, i32 0, i32 0
store ptr %18, ptr %21, align 8
%22 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.eface", ptr %20, i32 0, i32 1
store ptr %19, ptr %22, align 8
%23 = load %"github.com/goplus/llgo/internal/runtime.eface", ptr %20, align 8
call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %23)
%14 = call ptr @"github.com/goplus/llgo/internal/runtime.IfaceType"(%"github.com/goplus/llgo/internal/runtime.iface" %4)
%15 = extractvalue %"github.com/goplus/llgo/internal/runtime.iface" %4, 1
%16 = insertvalue %"github.com/goplus/llgo/internal/runtime.eface" undef, ptr %14, 0
%17 = insertvalue %"github.com/goplus/llgo/internal/runtime.eface" %16, ptr %15, 1
call void @"github.com/goplus/llgo/internal/runtime.Panic"(%"github.com/goplus/llgo/internal/runtime.eface" %17)
unreachable
_llgo_2: ; preds = %_llgo_0
%24 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
%25 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %24, i32 0, i32 0
store ptr @0, ptr %25, align 8
%26 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %24, i32 0, i32 1
store i64 4, ptr %26, align 4
%27 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %24, align 8
call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %27)
call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" { ptr @0, i64 4 })
call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %3)
call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)