Commit Graph

105 Commits

Author SHA1 Message Date
Chris Lattner 5ebb2fed89 now that implicit conversions are explicit, we can eliminate
EmitExprWithUsualUnaryConversions.

llvm-svn: 40929
2007-08-08 17:43:05 +00:00
Chris Lattner 81a9688e93 Implement codegen for __builtin_choose_expr. For example:
struct X { int A; };

void foo() {
  struct X s;
  int i;
  i = __builtin_choose_expr(0, s, i);
}

compiles to:

        %tmp = load i32* %i             ; <i32> [#uses=1]
        store i32 %tmp, i32* %i

wow :)

llvm-svn: 40801
2007-08-04 00:20:15 +00:00
Chris Lattner 4048005ad8 implement codegen support for __builtin_types_compatible_p
llvm-svn: 40788
2007-08-03 17:51:03 +00:00
Chris Lattner d268a7a268 Rename AddrLabel and OCUVectorComponent -> AddrLabelExpr and OCUVectorElementExpr respectively. This is for consistency with other expr nodes end with *Expr.
llvm-svn: 40785
2007-08-03 17:31:20 +00:00
Chris Lattner 41d480e4d8 add codegen support for storing into a single-element ocu lvalue, such as:
vec2.x = f;

llvm-svn: 40781
2007-08-03 16:28:33 +00:00
Chris Lattner 40ff701674 refactor handling of ocuvector lvalue->rvalue codegen into its own method.
llvm-svn: 40780
2007-08-03 16:18:34 +00:00
Chris Lattner 73ab9b3c14 implement lvalue to rvalue conversion for ocuvector components. We can now compile stuff
like this:

typedef __attribute__(( ocu_vector_type(4) )) float float4;
float4 test1(float4 V) {
  return V.wzyx+V;
}

to:
_test1:
        pshufd  $27, %xmm0, %xmm1
        addps   %xmm0, %xmm1
        movaps  %xmm1, %xmm0
        ret

and:

_test1:
        mfspr r2, 256
        oris r3, r2, 4096
        mtspr 256, r3
        li r3, lo16(LCPI1_0)
        lis r4, ha16(LCPI1_0)
        lvx v3, r4, r3
        vperm v3, v2, v2, v3
        vaddfp v2, v3, v2
        mtspr 256, r2
        blr 

llvm-svn: 40771
2007-08-03 00:16:29 +00:00
Chris Lattner 9e751cae27 add support for codegen of an OCUVectorComponent as an lvalue.
We can now codegen:

  vec4.xy;

as nothing!

llvm-svn: 40769
2007-08-02 23:37:31 +00:00
Anders Carlsson 625bfc8716 Implement code generation for __func__, __FUNCTION__ and __PRETTY_FUNCTION__
llvm-svn: 40162
2007-07-21 05:21:51 +00:00
Chris Lattner 3f8c6e6e74 implement codegen support for sizeof/alignof
llvm-svn: 40009
2007-07-18 18:12:07 +00:00
Chris Lattner e73e4322d6 Implement break and continue. Patch by Anders Carlsson!
llvm-svn: 39927
2007-07-16 21:28:45 +00:00
Chris Lattner 388cf760e2 implement codegen support for implicit casts.
llvm-svn: 39831
2007-07-13 20:25:53 +00:00
Chris Lattner 6e9d9b350e "Codegen for Character Literals and Conditional Operator
Both in one patch, and the test case that Chris didn't commit last
time is in there too...

I'll split the patch up if somebody wants it split."

Patch by Keith Bauer.

llvm-svn: 39796
2007-07-13 05:18:11 +00:00
Chris Lattner d2b88ab313 Implement codegen for + and - with pointers. Patch contributed by
Keith Bauer.

llvm-svn: 39793
2007-07-13 03:05:23 +00:00
Chris Lattner dcca487cfa implement codegen support for pre/post inc/dec.
llvm-svn: 39765
2007-07-11 23:43:46 +00:00
Chris Lattner a779b3df28 implement codegen support for rvalue-only vector subscripts, such as:
float4 test(void);
float test2() {
  return test()[1];
}

llvm-svn: 39725
2007-07-10 21:58:36 +00:00
Chris Lattner 08c4b9ffec Add support for codegen'ing vector subscripts, at least when they are lvalues.
llvm-svn: 39724
2007-07-10 21:17:59 +00:00
Chris Lattner 2ada32ed7d implement codegen support for FP literals
llvm-svn: 39718
2007-07-09 23:03:16 +00:00
Chris Lattner 47c247e7bf add codegen support for <<= and >>=.
llvm-svn: 39713
2007-06-29 17:26:27 +00:00
Chris Lattner b25a94383a Implement the rest of the compound assignment operators, except shifts.
llvm-svn: 39712
2007-06-29 17:03:06 +00:00
Chris Lattner cd215f00ee refactor some code, implement -=
llvm-svn: 39711
2007-06-29 16:52:55 +00:00
Chris Lattner 9369a563b4 Rename ArithAssignBinaryOperator -> CompoundAssignOperator, implement
codegen support for +=.

llvm-svn: 39710
2007-06-29 16:31:29 +00:00
Chris Lattner 54fb19efaa implement support for struct and complex returns.
llvm-svn: 39674
2007-06-22 22:02:34 +00:00
Chris Lattner e9a6453ded add some infrastructure for codegen'ing complex numbers. implement addition
of complex.  We now produce optimal code for:

void test(_Complex float *Y) {
  *Y = *Y + *Y;
}

$ clang -emit-llvm cg.c | llvm-as | opt -std-compile-opts | llc -march=x86-64
...
_test:
        movss (%rdi), %xmm0
        addss %xmm0, %xmm0
        movss 4(%rdi), %xmm1
        movss %xmm0, (%rdi)
        addss %xmm1, %xmm1
        movss %xmm1, 4(%rdi)
        ret

llvm-svn: 39673
2007-06-22 21:44:33 +00:00
Chris Lattner f033c147c9 remove location tracking for target info
llvm-svn: 39671
2007-06-22 19:05:19 +00:00
Chris Lattner 09153c0a8c Build enough support for aggregates to be able to compile this:
void test(int A, _Complex float Y) {
  _Complex float X;
  X = X;

}

llvm-svn: 39669
2007-06-22 18:48:09 +00:00
Chris Lattner 1fde0b345b implement codegen of the relational operations
One major FIXME though.

llvm-svn: 39666
2007-06-20 18:30:55 +00:00
Chris Lattner 273c63d450 Implement the equality operators for simple types
llvm-svn: 39665
2007-06-20 18:02:30 +00:00
Chris Lattner 2ccb73bc8b Refactor CodeGenTypes out to CodeGenModule so it can be used for functions
and globals.

llvm-svn: 39661
2007-06-16 00:16:26 +00:00
Chris Lattner 2052bc8107 Split type analysis out to its own file, now the integer constant expr evaluation
is ready.

llvm-svn: 39660
2007-06-16 00:12:05 +00:00
Chris Lattner 23b7eb677d Finally bite the bullet and make the major change: split the clang namespace
out of the llvm namespace.  This makes the clang namespace be a sibling of
llvm instead of being a child.

The good thing about this is that it makes many things unambiguous.  The
bad things is that many things in the llvm namespace (notably data structures
like smallvector) now require an llvm:: qualifier.  IMO, libsystem and libsupport
should be split out of llvm into their own namespace in the future, which will fix
this issue.

llvm-svn: 39659
2007-06-15 23:05:46 +00:00
Chris Lattner 2b228c95aa implement codegen of calls. We can now compile:
double foo( int (*FP)(int, int, int)) {
  return FP(1, 2, 3);
}

to:

define double @foo(i32 (i32, i32, i32)* %FP) {
entry:
        %call = tail call i32 %FP( i32 1, i32 2, i32 3 )
        %conv = sitofp i32 %call to double
        ret double %conv
}

llvm-svn: 39658
2007-06-15 21:34:29 +00:00
Chris Lattner 53621a535d Implement support for formal arguments. We can now compile this:
int test(int X, short Y, float Z) {
  return (int)(X*Y+Z);
}

to:

define i32 @test(i32 %X, i16 %Y, float %Z) {
entry:
        %promote = sext i16 %Y to i32           ; <i32> [#uses=1]
        %mul = mul i32 %promote, %X             ; <i32> [#uses=1]
        %promote3 = sitofp i32 %mul to float            ; <float> [#uses=1]
        %add = add float %promote3, %Z          ; <float> [#uses=1]
        %conv = fptosi float %add to i32                ; <i32> [#uses=1]
        ret i32 %conv
}

with:

$ clang -emit-llvm t.c | llvm-as | opt -std-compile-opts | llvm-dis

llvm-svn: 39652
2007-06-13 20:44:40 +00:00
Chris Lattner 45bb914249 Convert argument types over, which works for trivial scalars.
llvm-svn: 39625
2007-06-09 02:28:57 +00:00
Chris Lattner 1ad38f8fee codegen all declarators in a declstmt, allowing us to successfully codegen
stuff like:

void test() {
  int *X, Y, *Z[14];

  X[Y] = 4;
}

llvm-svn: 39624
2007-06-09 01:20:56 +00:00
Chris Lattner d9d2fb1420 Implement array subscripts for non-vla types.
llvm-svn: 39622
2007-06-08 23:31:14 +00:00
Chris Lattner 4347e369b4 implement codegen of string literals.
llvm-svn: 39597
2007-06-06 04:54:52 +00:00
Chris Lattner cf106ab42a implement support for casts to/from pointers.
llvm-svn: 39595
2007-06-06 04:05:39 +00:00
Chris Lattner 8394d795c3 implement codegen of a bunch more loop constructs and most expressions
llvm-svn: 39593
2007-06-05 20:53:16 +00:00
Chris Lattner 946aa31f02 implement codegen of while stmts and lvalue evaluation of paren exprs :)
llvm-svn: 39582
2007-06-05 03:59:43 +00:00
Chris Lattner cf25024828 Implement EmitUsualArithmeticConversions, so we can add shorts to floats and
ints to long long etc.  For int to longlong, we now get:

        %tmp = load i64* %F             ; <i64> [#uses=1]
        %tmp1 = load i32* %D            ; <i32> [#uses=1]
        %promote = sext i32 %tmp1 to i64                ; <i64> [#uses=1]
        %tmp2 = add i64 %tmp, %promote          ; <i64> [#uses=0]

llvm-svn: 39576
2007-06-03 02:02:44 +00:00
Chris Lattner 6db1fb845a implement a first hack at codegen'ing the usual unary conversions.
This allows us to compile:

int func() {
  int A[10];
  if (!A) {

to:

define i32 @func() {
entry:
        %A = alloca [10 x i32]          ; <[10 x i32]*> [#uses=1]
        %arraydecay = getelementptr [10 x i32]* %A, i32 0, i32 0                ; <i32*> [#uses=1]
        %tobool = icmp ne i32* %arraydecay, null                ; <i1> [#uses=1]
        %lnot = xor i1 %tobool, true            ; <i1> [#uses=1]
        br i1 %lnot, label %ifthen, label %ifend

-Chris

llvm-svn: 39564
2007-06-02 22:49:07 +00:00
Chris Lattner 2b4e21ac3f Implement translation of pointer, reference and simple array types. We now
compile:

void foo() {
  int A[10];
  int *P;

into:

entry:
        %A = alloca [10 x i32]          ; <[10 x i32]*> [#uses=0]
        %P = alloca i32*                ; <i32**> [#uses=0]

llvm-svn: 39561
2007-06-02 19:52:24 +00:00
Chris Lattner f0106d2578 Refactor EvaluateScalarValueToBool out of if statement emission, so it can
be shared.

Implement infrastructure for unary operator emission.

Implement basic logical not support.  We now compile:

  register short X;

  if (!X) {

into:

        %tmp = load i16* %X             ; <i16> [#uses=1]
        %tobool = icmp ne i16 %tmp, 0           ; <i1> [#uses=1]
        %lnot = xor i1 %tobool, true            ; <i1> [#uses=1]
        zext i1 %lnot to i32            ; <i32>:0 [#uses=1]
        %tobool1 = icmp ne i32 %0, 0            ; <i1> [#uses=1]
        br i1 %tobool1, label %ifthen, label %ifend

llvm-svn: 39559
2007-06-02 19:33:17 +00:00
Chris Lattner d7f58867e5 Implement scaffolding for lvalues. Implement block vardecl lvalues.
This allows us to translate:

int func() {
  register int X;
  {
    int Y;
    return 1+X+Y;
  }
}

into:

define i32 @func() {
entry:
        %X = alloca i32         ; <i32*> [#uses=1]
        %Y = alloca i32         ; <i32*> [#uses=1]
        %allocapt = bitcast i32 undef to i32            ; <i32> [#uses=0]
        %tmp = load i32* %X             ; <i32> [#uses=1]
        %tmp1 = add i32 1, %tmp         ; <i32> [#uses=1]
        %tmp2 = load i32* %Y            ; <i32> [#uses=1]
        %tmp3 = add i32 %tmp1, %tmp2            ; <i32> [#uses=1]
        ret i32 %tmp3
                ; No predecessors!
        ret i32 undef
}

llvm-svn: 39555
2007-06-02 05:24:33 +00:00
Chris Lattner 03df12294b Add initial support for fixed-size local vardecls. This allows us to compile:
int func() {
  register int X;
  {
    int Y;

into:

define i32 @func() {
entry:
        %X = alloca i32         ; <i32*> [#uses=0]
        %Y = alloca i32         ; <i32*> [#uses=0]
        %allocapt = bitcast i32 undef to i32            ; <i32> [#uses=0]
...

llvm-svn: 39553
2007-06-02 04:53:11 +00:00
Chris Lattner 84915fa79b Start stubbing out decl codegen.
llvm-svn: 39550
2007-06-02 04:16:21 +00:00
Chris Lattner 3f3dbeedd3 implement codegen support for return of void and simple scalars.
llvm-svn: 39547
2007-06-02 03:19:07 +00:00
Chris Lattner db91b16755 stub out codegen of binary plus. We now compile:
if (11 + 42) {

to:

        %tmp = add i32 11, 42           ; <i32> [#uses=1]
        %tobool = icmp ne i32 %tmp, 0           ; <i1> [#uses=1]
        br i1 %tobool, label %ifthen, label %ifend


but this doesn't handle any of the interesting/hard stuff yet.

llvm-svn: 39545
2007-06-02 00:16:28 +00:00
Chris Lattner 5269c0377c Add support for codegen'ing paren exprs and if stmts. We can now codegen:
void test() {
  goto l;

l:
  if (11) {
    j: ;
  }
}

into:

define void @test() {
entry:
        br label %l

l:              ; preds = %entry
        icmp ne i32 11, 0               ; <i1>:0 [#uses=1]
        br i1 %0, label %ifthen, label %ifend

ifthen:         ; preds = %l
        br label %j

j:              ; preds = %ifthen
        br label %ifend

ifend:          ; preds = %j, %l
}

whoa... :)

llvm-svn: 39533
2007-05-30 21:03:58 +00:00
Chris Lattner 208ae96a8c implement codegen of integer literals.
llvm-svn: 39530
2007-05-30 17:57:17 +00:00
Chris Lattner ac24820fa5 Implement codegen support for labels and gotos. We now compile:
void test1() {
  foo:
    goto foo;
    goto foo;
    goto foo;
}

void test() {
  goto l;

l:
  ;
}
into:

define void @test1() {
entry:
        br label %foo

foo:            ; preds = %0, %foo, %entry
        br label %foo
                ; No predecessors!
        br label %foo
                ; No predecessors!
}

define void @test() {
entry:
        br label %l

l:              ; preds = %entry
}

llvm-svn: 39524
2007-05-30 00:13:02 +00:00
Chris Lattner 308f431017 Add codegen support for NullStmt and CompoundStmt. {;;{};;} is now ours!
llvm-svn: 39522
2007-05-29 23:50:05 +00:00
Chris Lattner d1af2d2956 Implement conversion of clang ast types to LLVM types, at least for some trivial
cases.

llvm-svn: 39519
2007-05-29 23:17:50 +00:00
Chris Lattner bed314465a Reorganize codegen files.
llvm-svn: 39504
2007-05-28 01:07:47 +00:00