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59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
// #target: macos-x64
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union Baz
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{
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int x;
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double y;
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}
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struct Bar
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{
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int x;
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int y;
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}
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struct Mega
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{
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int[10] z;
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}
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fn int test()
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{
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Mega m = {};
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int[1] azz = {};
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Bar b = {};
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Baz z = {};
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int[] sub = {};
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Bar[] foo = {};
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Baz[3] baz = {};
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return 1;
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}
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/* #expect: zero_init.ll
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%Mega = type { [10 x i32] }
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%Bar = type { i32, i32 }
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%Baz = type { double }
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define i32 @zero_init_test() #0 {
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entry:
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%m = alloca %Mega, align 4
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%azz = alloca [1 x i32], align 4
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%b = alloca %Bar, align 4
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%z = alloca %Baz, align 8
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%sub = alloca %"int[]", align 8
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%foo = alloca %"Bar[]", align 8
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%baz = alloca [3 x %Baz], align 16
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call void @llvm.memset.p0.i64(ptr align 4 %m, i8 0, i64 40, i1 false)
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%0 = getelementptr inbounds [1 x i32], ptr %azz, i64 0, i64 0
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store i32 0, ptr %0, align 4
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%1 = getelementptr inbounds %Bar, ptr %b, i32 0, i32 0
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store i32 0, ptr %1, align 4
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%2 = getelementptr inbounds %Bar, ptr %b, i32 0, i32 1
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store i32 0, ptr %2, align 4
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call void @llvm.memset.p0.i64(ptr align 8 %z, i8 0, i64 8, i1 false)
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store %"int[]" zeroinitializer, ptr %sub, align 8
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store %"Bar[]" zeroinitializer, ptr %foo, align 8
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call void @llvm.memset.p0.i64(ptr align 16 %baz, i8 0, i64 24, i1 false)
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ret i32 1
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}
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