libc complex64 support

cl/_testlibc/complex/in.go

@@ -0,0 +1,12 @@
+package main
+
+import (
+	"github.com/goplus/llgo/c/math/cmplx"
+)
+
+func main() {
+	re := float32(3.0)
+	im := float32(4.0)
+	c := complex(re, im)
+	println("abs(3+4i):", cmplx.Absf(c))
+}

cl/_testlibc/complex/out.ll

@@ -0,0 +1,59 @@
+; ModuleID = 'main'
+source_filename = "main"
+
+%"github.com/goplus/llgo/internal/runtime.String" = type { ptr, i64 }
+
+@"main.init$guard" = global i1 false, align 1
+@__llgo_argc = global i32 0, align 4
+@__llgo_argv = global ptr null, align 8
+@0 = private unnamed_addr constant [10 x i8] c"abs(3+4i):", align 1
+
+define void @main.init() {
+_llgo_0:
+  %0 = load i1, ptr @"main.init$guard", align 1
+  br i1 %0, label %_llgo_2, label %_llgo_1
+
+_llgo_1:                                          ; preds = %_llgo_0
+  store i1 true, ptr @"main.init$guard", align 1
+  br label %_llgo_2
+
+_llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
+  ret void
+}
+
+define i32 @main(i32 %0, ptr %1) {
+_llgo_0:
+  store i32 %0, ptr @__llgo_argc, align 4
+  store ptr %1, ptr @__llgo_argv, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.init"()
+  call void @main.init()
+  %2 = alloca { float, float }, align 8
+  %3 = getelementptr inbounds { float, float }, ptr %2, i32 0, i32 0
+  store float 3.000000e+00, ptr %3, align 4
+  %4 = getelementptr inbounds { float, float }, ptr %2, i32 0, i32 1
+  store float 4.000000e+00, ptr %4, align 4
+  %5 = load { float, float }, ptr %2, align 4
+  %6 = call float @cabsf({ float, float } %5)
+  %7 = alloca %"github.com/goplus/llgo/internal/runtime.String", align 8
+  %8 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %7, i32 0, i32 0
+  store ptr @0, ptr %8, align 8
+  %9 = getelementptr inbounds %"github.com/goplus/llgo/internal/runtime.String", ptr %7, i32 0, i32 1
+  store i64 10, ptr %9, align 4
+  %10 = load %"github.com/goplus/llgo/internal/runtime.String", ptr %7, align 8
+  call void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String" %10)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 32)
+  %11 = fpext float %6 to double
+  call void @"github.com/goplus/llgo/internal/runtime.PrintFloat"(double %11)
+  call void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8 10)
+  ret i32 0
+}
+
+declare void @"github.com/goplus/llgo/internal/runtime.init"()
+
+declare float @cabsf({ float, float })
+
+declare void @"github.com/goplus/llgo/internal/runtime.PrintString"(%"github.com/goplus/llgo/internal/runtime.String")
+
+declare void @"github.com/goplus/llgo/internal/runtime.PrintByte"(i8)
+
+declare void @"github.com/goplus/llgo/internal/runtime.PrintFloat"(double)