mirror of
https://github.com/c64scene-ar/llvm-6502.git
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89 lines
2.8 KiB
LLVM
89 lines
2.8 KiB
LLVM
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; RUN: %lli -O0 -disable-lazy-compilation=false %s
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; The intention of this test is to verify that symbols mapped to COMMON in ELF
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; work as expected.
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;
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; Compiled from this C code:
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;
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; int zero_int;
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; double zero_double;
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; int zero_arr[10];
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;
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; int main()
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; {
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; zero_arr[zero_int + 5] = 40;
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;
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; if (zero_double < 1.0)
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; zero_arr[zero_int + 2] = 70;
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;
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; for (int i = 1; i < 10; ++i) {
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; zero_arr[i] = zero_arr[i - 1] + zero_arr[i];
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; }
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; return zero_arr[9] == 110 ? 0 : -1;
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; }
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@zero_int = common global i32 0, align 4
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@zero_arr = common global [10 x i32] zeroinitializer, align 16
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@zero_double = common global double 0.000000e+00, align 8
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define i32 @main() nounwind {
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entry:
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%retval = alloca i32, align 4
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%i = alloca i32, align 4
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store i32 0, i32* %retval
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%0 = load i32* @zero_int, align 4
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%add = add nsw i32 %0, 5
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%idxprom = sext i32 %add to i64
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%arrayidx = getelementptr inbounds [10 x i32]* @zero_arr, i32 0, i64 %idxprom
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store i32 40, i32* %arrayidx, align 4
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%1 = load double* @zero_double, align 8
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%cmp = fcmp olt double %1, 1.000000e+00
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br i1 %cmp, label %if.then, label %if.end
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if.then: ; preds = %entry
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%2 = load i32* @zero_int, align 4
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%add1 = add nsw i32 %2, 2
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%idxprom2 = sext i32 %add1 to i64
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%arrayidx3 = getelementptr inbounds [10 x i32]* @zero_arr, i32 0, i64 %idxprom2
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store i32 70, i32* %arrayidx3, align 4
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br label %if.end
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if.end: ; preds = %if.then, %entry
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store i32 1, i32* %i, align 4
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br label %for.cond
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for.cond: ; preds = %for.inc, %if.end
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%3 = load i32* %i, align 4
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%cmp4 = icmp slt i32 %3, 10
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br i1 %cmp4, label %for.body, label %for.end
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for.body: ; preds = %for.cond
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%4 = load i32* %i, align 4
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%sub = sub nsw i32 %4, 1
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%idxprom5 = sext i32 %sub to i64
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%arrayidx6 = getelementptr inbounds [10 x i32]* @zero_arr, i32 0, i64 %idxprom5
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%5 = load i32* %arrayidx6, align 4
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%6 = load i32* %i, align 4
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%idxprom7 = sext i32 %6 to i64
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%arrayidx8 = getelementptr inbounds [10 x i32]* @zero_arr, i32 0, i64 %idxprom7
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%7 = load i32* %arrayidx8, align 4
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%add9 = add nsw i32 %5, %7
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%8 = load i32* %i, align 4
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%idxprom10 = sext i32 %8 to i64
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%arrayidx11 = getelementptr inbounds [10 x i32]* @zero_arr, i32 0, i64 %idxprom10
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store i32 %add9, i32* %arrayidx11, align 4
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br label %for.inc
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for.inc: ; preds = %for.body
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%9 = load i32* %i, align 4
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%inc = add nsw i32 %9, 1
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store i32 %inc, i32* %i, align 4
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br label %for.cond
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for.end: ; preds = %for.cond
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%10 = load i32* getelementptr inbounds ([10 x i32]* @zero_arr, i32 0, i64 9), align 4
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%cmp12 = icmp eq i32 %10, 110
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%cond = select i1 %cmp12, i32 0, i32 -1
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ret i32 %cond
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}
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