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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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22
cl/_testlibc/demangle/out.ll
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@@ -29,31 +29,19 @@ _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.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 29, ptr %4, align 4
%5 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %2, align 8
%6 = call ptr @_ZN4llvm15itaniumDemangleENSt3__117basic_string_viewIcNS0_11char_traitsIcEEEEb(%"github.com/goplus/llgo/internal/runtime.String" %5, i1 true)
%7 = icmp ne ptr %6, null
br i1 %7, label %_llgo_1, label %_llgo_3
%2 = call ptr @_ZN4llvm15itaniumDemangleENSt3__117basic_string_viewIcNS0_11char_traitsIcEEEEb(%"github.com/goplus/llgo/internal/runtime.String" { ptr @0, i64 29 }, i1 true)
%3 = icmp ne ptr %2, null
br i1 %3, label %_llgo_1, label %_llgo_3
_llgo_1: ; preds = %_llgo_0
%8 = call i32 (ptr, ...) @printf(ptr @1, ptr %6)
%4 = call i32 (ptr, ...) @printf(ptr @1, ptr %2)
br label %_llgo_2
_llgo_2: ; preds = %_llgo_3, %_llgo_1
ret i32 0
_llgo_3: ; 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 @2, ptr %10, align 8
%11 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %9, i32 0, i32 1
store i64 18, 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 @2, i64 18 })
call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
br label %_llgo_2
}