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examples: Add some comments to example files

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Signed-off-by: Anatol Belski <anbelski@linux.microsoft.com>
This commit is contained in:
Anatol Belski 2023-05-29 21:06:25 +02:00
parent b5bb5f869a
commit 283f443615
3 changed files with 11 additions and 1 deletions
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4
examples/0001-basic.c
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@ -18,10 +18,14 @@ typedef int32_t (*myfunc_t)(int32_t, int32_t);
void gen_myfunc(ir_ctx *ctx)
{
/* Function entry start */
ir_START();
/* Declare function parameters */
ir_ref x = ir_PARAM(IR_I32, "x", 1);
ir_ref y = ir_PARAM(IR_I32, "y", 2);
/* Subtract y from x and save it into a new ref. */
ir_ref cr = ir_SUB_I32(x, y);
/* Function end */
ir_RETURN(cr);
}

3
examples/0001-while.c
View File

@ -20,7 +20,9 @@ typedef int32_t (*myfunc_t)(void);
void gen_myfunc(ir_ctx *ctx)
{
/* Function entry start */
ir_START();
/* Declare loop counter. */
ir_ref i = ir_COPY_I32(ir_CONST_I32(0));
ir_ref loop = ir_LOOP_BEGIN(ir_END());
ir_ref phi_i_1 = ir_PHI_2(i, IR_UNUSED);
@ -32,6 +34,7 @@ void gen_myfunc(ir_ctx *ctx)
ir_PHI_SET_OP(phi_i_1, 2, i_2);
ir_IF_FALSE(cond);
/* Function end */
ir_RETURN(i_2);
}

5
examples/0005-basic-runner-func.c
View File

@ -18,14 +18,17 @@ typedef double (*myfunc_t)(double, double);
void gen_myfunc(ir_ctx *ctx)
{
/* Function entry start */
ir_START();
/* Declare function parameters */
ir_ref x = ir_PARAM(IR_DOUBLE, "x", 1);
ir_ref y = ir_PARAM(IR_DOUBLE, "y", 2);
ir_ref cr0 = ir_SUB_D(x, y);
ir_ref cr0 = ir_SUB_D(x, y);
ir_ref cd = ir_CONST_DOUBLE(.3);
cr0 = ir_ADD_D(cr0, cd);
/* Function end */
ir_RETURN(cr0);
}