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74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
// #target: x64-darwin
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module test;
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struct Foo
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{
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char a;
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char b;
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char c;
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}
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fn int testing()
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{
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Foo y = getFoo(Foo { 4, 5, 6 });
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return y.a + y.c;
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}
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fn Foo getFoo(Foo f)
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{
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return Foo { 1, 2, 3 };
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}
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/* #expect: test.ll
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define i32 @test.testing() #0 {
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entry:
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%y = alloca %Foo, align 1
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%literal = alloca %Foo, align 1
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%tempcoerce = alloca i24, align 4
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%result = alloca %Foo, align 1
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%0 = getelementptr inbounds %Foo, %Foo* %literal, i32 0, i32 0
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store i8 4, i8* %0, align 1
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%1 = getelementptr inbounds %Foo, %Foo* %literal, i32 0, i32 1
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store i8 5, i8* %1, align 1
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%2 = getelementptr inbounds %Foo, %Foo* %literal, i32 0, i32 2
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store i8 6, i8* %2, align 1
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%3 = bitcast i24* %tempcoerce to i8*
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%4 = bitcast %Foo* %literal to i8*
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %3, i8* align 1 %4, i32 3, i1 false)
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%5 = load i24, i24* %tempcoerce, align 4
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%6 = call i24 @test.getFoo(i24 %5)
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%7 = bitcast %Foo* %result to i24*
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store i24 %6, i24* %7, align 1
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%8 = bitcast %Foo* %y to i8*
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%9 = bitcast %Foo* %result to i8*
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 1 %8, i8* align 1 %9, i32 3, i1 false)
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%10 = getelementptr inbounds %Foo, %Foo* %y, i32 0, i32 0
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%11 = load i8, i8* %10, align 1
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%uisiext = zext i8 %11 to i32
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%12 = getelementptr inbounds %Foo, %Foo* %y, i32 0, i32 2
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%13 = load i8, i8* %12, align 1
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%uisiext1 = zext i8 %13 to i32
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%add = add i32 %uisiext, %uisiext1
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ret i32 %add
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}
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; Function Attrs: nounwind
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define i24 @test.getFoo(i24 %0) #0 {
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entry:
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%f = alloca %Foo, align 1
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%literal = alloca %Foo, align 1
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%tempcoerce = alloca i24, align 4
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%1 = bitcast %Foo* %f to i24*
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store i24 %0, i24* %1, align 1
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%2 = getelementptr inbounds %Foo, %Foo* %literal, i32 0, i32 0
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store i8 1, i8* %2, align 1
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%3 = getelementptr inbounds %Foo, %Foo* %literal, i32 0, i32 1
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store i8 2, i8* %3, align 1
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%4 = getelementptr inbounds %Foo, %Foo* %literal, i32 0, i32 2
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store i8 3, i8* %4, align 1
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%5 = bitcast i24* %tempcoerce to i8*
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%6 = bitcast %Foo* %literal to i8*
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call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 4 %5, i8* align 1 %6, i32 3, i1 false)
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%7 = load i24, i24* %tempcoerce, align 4
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ret i24 %7
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}
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