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[SPEC2006]### Assertion failure ../../../../osprey/ir_tools/whirl2llvm.cxx:1530: ### Get_arg_by_name: get argument m failed #41

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zqb-all opened this issue Oct 28, 2023 · 0 comments
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[SPEC2006]### Assertion failure ../../../../osprey/ir_tools/whirl2llvm.cxx:1530: ### Get_arg_by_name: get argument m failed #41

zqb-all opened this issue Oct 28, 2023 · 0 comments
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bug w2ll WHIRL to LLVM

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@zqb-all
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zqb-all commented Oct 28, 2023

spec2k6 462.libquantum build fail.
one of the errors can be reproduce by the following code:

struct x_struct {
  int y;
  int z;
};

typedef struct x_struct x;

void foo(x m)
{
  printf("%d\n", m.y);
}

cmd

xcalcc -c a.c

error

2023-10-28 16:04:34,571 - xcalcc - ERROR - !!! Log: (null) :Translating foo(0)


### Assertion failure ../../../../osprey/ir_tools/whirl2llvm.cxx:1530:
### Get_arg_by_name: get argument m failed
### For a.O in foo (xcalcc:583)
@Yvan-xy Yvan-xy added bug w2ll WHIRL to LLVM labels Nov 1, 2023
zengdage added a commit to zengdage/open64 that referenced this issue Jan 4, 2024
@zengdage
fix issue open64-compiler#41 for WHIRL2llvm
b49ab33 
Actually, the argument name are added a sequence number in Syn_name_w_modifier.
In this case, the real llvm argument name is 'm%0; rather than 'm'.

1. The w2ll will crash if compile the code like that:
```
typedef struct quantum_matrix_struct {
  int rows;
  int cols;
} quantum_matrix;

void quantum_print_matrix(quantum_matrix m)
{
  printf("m.rows;%d\n", m.rows);
}
```

2. Error Log:
```
Get_arg_by_name: get argument m failed
```

Signed-off-by: Zhijin Zeng <[email protected]>
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@zqb-all @Yvan-xy