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Add a test case for bit accurate integer types in llvm-gcc. This is

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XFAILed for now until llvm-gcc changes are committed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33261 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2007-01-16 18:40:08 +00:00
parent 1e0f33873b
commit 4af33c2605
1 changed files with 35 additions and 0 deletions
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35
test/CFrontend/bit-accurate-int.c Normal file
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// RUN: %llvmgcc -S %s -o - /dev/null
// XFAIL: *
#define ATTR_BITS(N) __attribute__((bitwidth(N)))
typedef int ATTR_BITS( 4) My04BitInt;
typedef int ATTR_BITS(16) My16BitInt;
typedef int ATTR_BITS(17) My17BitInt;
typedef int ATTR_BITS(37) My37BitInt;
typedef int ATTR_BITS(65) My65BitInt;
struct MyStruct {
My04BitInt i4Field;
short ATTR_BITS(12) i12Field;
long ATTR_BITS(17) i17Field;
My37BitInt i37Field;
};
My37BitInt doit( short ATTR_BITS(23) num) {
My17BitInt i;
struct MyStruct strct;
int bitsize1 = sizeof(My17BitInt);
int __attribute__((bitwidth(9))) j;
int bitsize2 = sizeof(j);
int result = bitsize1 + bitsize2;
strct.i17Field = result;
result += sizeof(struct MyStruct);
return result;
}
int
main ( int argc, char** argv)
{
return (int ATTR_BITS(32)) doit((short ATTR_BITS(23))argc);
}