fspl/generator/cast_test.go

116 lines
2.6 KiB
Go

package generator
import "testing"
func TestValueCastSlicePointer (test *testing.T) {
testString (test,
`%"AAAAAAAAAAAAAAAAAAAAAA==::Index" = type i64
define void @"0zNZN147MN2wzMAQ6NS2dQ==::main"() {
0:
%1 = alloca { ptr, %"AAAAAAAAAAAAAAAAAAAAAA==::Index" }
%2 = alloca ptr
%3 = getelementptr { ptr, %"AAAAAAAAAAAAAAAAAAAAAA==::Index" }, ptr %1, i32 0, i32 0
%4 = load ptr, ptr %3
store ptr %4, ptr %2
ret void
}
`,
`
[main] = {
slice: *:Byte
pointer: *Byte = [~*Byte slice]
}
`)
}
func TestValueCastIntegerIneffectual (test *testing.T) {
testString (test,
`%"0zNZN147MN2wzMAQ6NS2dQ==::A" = type i64
define void @"0zNZN147MN2wzMAQ6NS2dQ==::main"() {
0:
%1 = alloca i64
store i64 5, ptr %1
%2 = alloca %"0zNZN147MN2wzMAQ6NS2dQ==::A"
%3 = load i64, ptr %1
store i64 %3, ptr %2
ret void
}
`,
`
A: Int
[main] = {
x:Int = 5
y:A = [~A x]
}
`)
}
func TestValueCastStringIneffectual (test *testing.T) {
testString (test,
`%"AAAAAAAAAAAAAAAAAAAAAA==::Index" = type i64
%"AAAAAAAAAAAAAAAAAAAAAA==::String" = type { ptr, %"AAAAAAAAAAAAAAAAAAAAAA==::Index" }
define void @"0zNZN147MN2wzMAQ6NS2dQ==::main"() {
0:
%1 = alloca { ptr, %"AAAAAAAAAAAAAAAAAAAAAA==::Index" }
%2 = alloca %"AAAAAAAAAAAAAAAAAAAAAA==::String"
%3 = load { ptr, %"AAAAAAAAAAAAAAAAAAAAAA==::Index" }, ptr %1
store { ptr, %"AAAAAAAAAAAAAAAAAAAAAA==::Index" } %3, ptr %2
ret void
}
`,
`
[main] = {
y:*:Byte
x:String = [~String y]
}
`)
}
func TestBitCastStringIneffectual (test *testing.T) {
testString (test,
`%"AAAAAAAAAAAAAAAAAAAAAA==::Index" = type i64
%"AAAAAAAAAAAAAAAAAAAAAA==::String" = type { ptr, %"AAAAAAAAAAAAAAAAAAAAAA==::Index" }
define void @"0zNZN147MN2wzMAQ6NS2dQ==::main"() {
0:
%1 = alloca { ptr, %"AAAAAAAAAAAAAAAAAAAAAA==::Index" }
%2 = alloca %"AAAAAAAAAAAAAAAAAAAAAA==::String"
%3 = load { ptr, %"AAAAAAAAAAAAAAAAAAAAAA==::Index" }, ptr %1
store { ptr, %"AAAAAAAAAAAAAAAAAAAAAA==::Index" } %3, ptr %2
ret void
}
`,
`
[main] = {
y:*:Byte
x:String = [~~String y]
}
`)
}
func TestPtrIntCast (test *testing.T) {
testString (test,
`%"AAAAAAAAAAAAAAAAAAAAAA==::Index" = type i64
define void @"0zNZN147MN2wzMAQ6NS2dQ==::main"() {
0:
%1 = alloca ptr
store ptr zeroinitializer, ptr %1
%2 = alloca %"AAAAAAAAAAAAAAAAAAAAAA==::Index"
%3 = load ptr, ptr %1
%4 = ptrtoint ptr %3 to %"AAAAAAAAAAAAAAAAAAAAAA==::Index"
%5 = add i64 1, %4
store i64 %5, ptr %2
%6 = load %"AAAAAAAAAAAAAAAAAAAAAA==::Index", ptr %2
%7 = inttoptr %"AAAAAAAAAAAAAAAAAAAAAA==::Index" %6 to ptr
store ptr %7, ptr %1
ret void
}
`,
`
[main] = {
ptr:*Byte = nil
nptr:Index = [+ 1 [~~Index ptr]]
ptr = [~~*Byte nptr]
}
`)
}