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153 lines
4.9 KiB
C
153 lines
4.9 KiB
C
// #target: macos-x64
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extern fn int! err();
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fault FooErr { QBERT }
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extern fn int printf(char* fmt, ...);
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fn void main()
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{
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int x = 123;
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int! z = 234;
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int! w;
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int gh = 1;
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if (try x = z && try gh = w)
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{
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printf("Success %d && %d!\n", x, gh);
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}
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if (try x = z + w)
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{
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printf("Test\n");
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}
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anyerr e;
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if (catch e = z)
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{
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printf("Oh noes!\n");
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}
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}
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/* #expect: try_assign.ll
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define void @try_assign_main() #0 {
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entry:
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%x = alloca i32, align 4
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%z = alloca i32, align 4
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%z.f = alloca i64, align 8
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%w = alloca i32, align 4
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%w.f = alloca i64, align 8
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%gh = alloca i32, align 4
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%e = alloca i64, align 8
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store i32 123, ptr %x, align 4
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store i32 234, ptr %z, align 4
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store i64 0, ptr %z.f, align 8
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store i64 0, ptr %w.f, align 8
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store i32 0, ptr %w, align 4
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store i32 1, ptr %gh, align 4
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%optval = load i64, ptr %z.f, align 8
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%not_err = icmp eq i64 %optval, 0
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br i1 %not_err, label %after_check, label %catch_landing
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after_check: ; preds = %entry
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%0 = load i32, ptr %z, align 4
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store i32 %0, ptr %x, align 4
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br label %phi_try_catch
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catch_landing: ; preds = %entry
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br label %phi_try_catch
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phi_try_catch: ; preds = %catch_landing, %after_check
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%val = phi i1 [ true, %after_check ], [ false, %catch_landing ]
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br i1 %val, label %chain_next, label %fail_chain
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chain_next: ; preds = %phi_try_catch
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%optval1 = load i64, ptr %w.f, align 8
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%not_err2 = icmp eq i64 %optval1, 0
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br i1 %not_err2, label %after_check3, label %catch_landing4
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after_check3: ; preds = %chain_next
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%1 = load i32, ptr %w, align 4
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store i32 %1, ptr %gh, align 4
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br label %phi_try_catch5
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catch_landing4: ; preds = %chain_next
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br label %phi_try_catch5
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phi_try_catch5: ; preds = %catch_landing4, %after_check3
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%val6 = phi i1 [ true, %after_check3 ], [ false, %catch_landing4 ]
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br i1 %val6, label %chain_next7, label %fail_chain
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chain_next7: ; preds = %phi_try_catch5
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br label %end_chain
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fail_chain: ; preds = %phi_try_catch5, %phi_try_catch
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br label %end_chain
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end_chain: ; preds = %fail_chain, %chain_next7
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%chain.phi = phi i1 [ true, %chain_next7 ], [ false, %fail_chain ]
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br i1 %chain.phi, label %if.then, label %if.exit
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if.then: ; preds = %end_chain
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%2 = load i32, ptr %x, align 4
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%3 = load i32, ptr %gh, align 4
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%4 = call i32 (ptr, ...) @printf(ptr @.str, i32 %2, i32 %3)
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br label %if.exit
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if.exit: ; preds = %if.then, %end_chain
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%optval8 = load i64, ptr %z.f, align 8
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%not_err9 = icmp eq i64 %optval8, 0
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br i1 %not_err9, label %after_check10, label %catch_landing14
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after_check10: ; preds = %if.exit
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%5 = load i32, ptr %z, align 4
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%optval11 = load i64, ptr %w.f, align 8
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%not_err12 = icmp eq i64 %optval11, 0
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br i1 %not_err12, label %after_check13, label %catch_landing14
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after_check13: ; preds = %after_check10
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%6 = load i32, ptr %w, align 4
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%add = add i32 %5, %6
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store i32 %add, ptr %x, align 4
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br label %phi_try_catch15
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catch_landing14: ; preds = %after_check10, %if.exit
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br label %phi_try_catch15
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phi_try_catch15: ; preds = %catch_landing14, %after_check13
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%val16 = phi i1 [ true, %after_check13 ], [ false, %catch_landing14 ]
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br i1 %val16, label %if.then17, label %if.exit18
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if.then17: ; preds = %phi_try_catch15
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%7 = call i32 (ptr, ...) @printf(ptr @.str.1)
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br label %if.exit18
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if.exit18: ; preds = %if.then17, %phi_try_catch15
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store i64 0, ptr %e, align 8
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br label %testblock
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testblock: ; preds = %if.exit18
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%optval19 = load i64, ptr %z.f, align 8
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%not_err20 = icmp eq i64 %optval19, 0
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br i1 %not_err20, label %after_check21, label %assign_optional
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assign_optional: ; preds = %testblock
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store i64 %optval19, ptr %e, align 8
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br label %end_block
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after_check21: ; preds = %testblock
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store i64 0, ptr %e, align 8
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br label %end_block
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end_block: ; preds = %after_check21, %assign_optional
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%8 = load i64, ptr %e, align 8
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%neq = icmp ne i64 %8, 0
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br i1 %neq, label %if.then22, label %if.exit23
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if.then22: ; preds = %end_block
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%9 = call i32 (ptr, ...) @printf(ptr @.str.2)
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br label %if.exit23
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if.exit23: ; preds = %if.then22, %end_block
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ret void
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}
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