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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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40
cl/_testdata/utf8/out.ll
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@@ -52,41 +52,27 @@ _llgo_0:
br label %_llgo_3
_llgo_1: ; preds = %_llgo_3
%2 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
%3 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i32 0, i32 0
store ptr @0, ptr %3, align 8
%4 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %2, i32 0, i32 1
store i64 7, ptr %4, align 4
%5 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %2, align 8
%6 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %5, 1
%7 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringSlice"(%"github.com/goplus/llgo/internal/runtime.String" %5, i64 %15, i64 %6)
%8 = call { i32, i64 } @"unicode/utf8.DecodeRuneInString"(%"github.com/goplus/llgo/internal/runtime.String" %7)
%9 = extractvalue { i32, i64 } %8, 0
%10 = extractvalue { i32, i64 } %8, 1
%11 = add i64 %15, %10
%12 = sext i32 %9 to i64
call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %12)
%2 = call %"github.com/goplus/llgo/internal/runtime.String" @"github.com/goplus/llgo/internal/runtime.StringSlice"(%"github.com/goplus/llgo/internal/runtime.String" { ptr @0, i64 7 }, i64 %10, i64 7)
%3 = call { i32, i64 } @"unicode/utf8.DecodeRuneInString"(%"github.com/goplus/llgo/internal/runtime.String" %2)
%4 = extractvalue { i32, i64 } %3, 0
%5 = extractvalue { i32, i64 } %3, 1
%6 = add i64 %10, %5
%7 = sext i32 %4 to i64
call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %7)
call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
br label %_llgo_3
_llgo_2: ; preds = %_llgo_3
%13 = call i8 @main.index(i8 2)
%14 = icmp eq i8 %13, 3
call void @"github.com/goplus/llgo/internal/runtime.PrintBool"(i1 %14)
%8 = call i8 @main.index(i8 2)
%9 = icmp eq i8 %8, 3
call void @"github.com/goplus/llgo/internal/runtime.PrintBool"(i1 %9)
call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
ret i32 0
_llgo_3: ; preds = %_llgo_1, %_llgo_0
%15 = phi i64 [ 0, %_llgo_0 ], [ %11, %_llgo_1 ]
%16 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
%17 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %16, i32 0, i32 0
store ptr @0, ptr %17, align 8
%18 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %16, i32 0, i32 1
store i64 7, ptr %18, align 4
%19 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %16, align 8
%20 = extractvalue %"github.com/goplus/llgo/internal/runtime.String" %19, 1
%21 = icmp slt i64 %15, %20
br i1 %21, label %_llgo_1, label %_llgo_2
%10 = phi i64 [ 0, %_llgo_0 ], [ %6, %_llgo_1 ]
%11 = icmp slt i64 %10, 7
br i1 %11, label %_llgo_1, label %_llgo_2
}
declare void @"github.com/goplus/llgo/internal/runtime.AssertIndexRange"(i1)