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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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23
cl/_testrt/slicelen/out.ll
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@@ -1,7 +1,6 @@
; ModuleID = 'main'
source_filename = "main"
%"github.com/goplus/llgo/internal/runtime.Slice" = type { ptr, i64, i64 }
%"github.com/goplus/llgo/internal/runtime.String" = type { ptr, i64 }
@"main.init$guard" = global i1 false, align 1
@@ -28,28 +27,12 @@ _llgo_0:
store ptr %1, ptr @__llgo_argv, align 8
call void @"github.com/goplus/llgo/internal/runtime.init"()
call void @main.init()
%2 = alloca %"github.com/goplus/llgo/internal/runtime.Slice", align 8
%3 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice", ptr %2, i32 0, i32 0
store ptr null, ptr %3, align 8
%4 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice", ptr %2, i32 0, i32 1
store i64 0, ptr %4, align 4
%5 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.Slice", ptr %2, i32 0, i32 2
store i64 0, ptr %5, align 4
%6 = load %"github.com/goplus/llgo/internal/runtime.Slice", ptr %2, align 8
%7 = extractvalue %"github.com/goplus/llgo/internal/runtime.Slice" %6, 1
call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 %7)
call void @"github.com/goplus/llgo/internal/runtime.PrintInt"(i64 0)
call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
%8 = icmp sgt i64 %7, 0
br i1 %8, label %_llgo_1, label %_llgo_2
br i1 false, label %_llgo_1, label %_llgo_2
_llgo_1: ; preds = %_llgo_0
%9 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
%10 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %9, i32 0, i32 0
store ptr @0, ptr %10, align 8
%11 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %9, i32 0, i32 1
store i64 7, ptr %11, align 4
%12 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %9, align 8
call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %12)
call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" { ptr @0, i64 7 })
call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
br label %_llgo_2