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65 lines
1.8 KiB
Plaintext
65 lines
1.8 KiB
Plaintext
// #target: macos-x64
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module test;
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struct Foo
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{
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int[30] a;
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}
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fn void test()
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{
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int! a = 0;
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Foo! b = {};
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Foo c;
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int e = a ?? 1;
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Foo d = b ?? c;
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return;
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}
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/* #expect: test.ll
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define void @test.test() #0 {
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entry:
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%a = alloca i32, align 4
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%a.f = alloca i64, align 8
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%b = alloca %Foo, align 4
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%b.f = alloca i64, align 8
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%c = alloca %Foo, align 4
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%e = alloca i32, align 4
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%d = alloca %Foo, align 4
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store i32 0, ptr %a, align 4
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store i64 0, ptr %a.f, align 8
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call void @llvm.memset.p0.i64(ptr align 4 %b, i8 0, i64 120, i1 false)
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store i64 0, ptr %b.f, align 8
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call void @llvm.memset.p0.i64(ptr align 4 %c, i8 0, i64 120, i1 false)
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%optval = load i64, ptr %a.f, align 8
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%not_err = icmp eq i64 %optval, 0
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%0 = call i1 @llvm.expect.i1(i1 %not_err, i1 true)
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br i1 %0, label %after_check, label %else_block
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after_check: ; preds = %entry
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%1 = load i32, ptr %a, align 4
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br label %phi_block
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else_block: ; preds = %entry
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br label %phi_block
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phi_block: ; preds = %else_block, %after_check
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%val = phi i32 [ %1, %after_check ], [ 1, %else_block ]
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store i32 %val, ptr %e, align 4
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%optval1 = load i64, ptr %b.f, align 8
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%not_err2 = icmp eq i64 %optval1, 0
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%2 = call i1 @llvm.expect.i1(i1 %not_err2, i1 true)
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br i1 %2, label %after_check3, label %else_block4
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after_check3: ; preds = %phi_block
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br label %phi_block5
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else_block4: ; preds = %phi_block
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br label %phi_block5
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phi_block5: ; preds = %else_block4, %after_check3
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%val6 = phi ptr [ %b, %after_check3 ], [ %c, %else_block4 ]
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call void @llvm.memcpy.p0.p0.i32(ptr align 4 %d, ptr align 8 %val6, i32 120, i1 false)
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ret void
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} |