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| author | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2016-12-17 10:32:48 +0100 |
|---|---|---|
| committer | Luc Van Oostenryck <luc.vanoostenryck@gmail.com> | 2018-06-23 15:29:23 +0200 |
| commit | 5d80f2005f30f4a55e3c0bc6c6e7b8a432bfc395 (patch) | |
| tree | 2da4d0dc35bc2494ff9f1209b131b3272155297d | |
| parent | 5c189c40bb2c8fd7f5652f930ddb2869a1d1a9ff (diff) | |
| download | sparse-dev-5d80f2005f30f4a55e3c0bc6c6e7b8a432bfc395.tar.gz | |
new helper: def_opcode()
Getting the opcode corresponding to the instruction defining
a pseudo *if* the psedudo has such an instruction (PSEUDO_REG)
is an common operation in the simplification phase.
Add a helper, def_opcode() to make the code a bit easier to read.
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
| -rw-r--r-- | simplify.c | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -370,6 +370,13 @@ static int replace_with_pseudo(struct instruction *insn, pseudo_t pseudo) return REPEAT_CSE; } +static inline int def_opcode(pseudo_t p) +{ + if (p->type != PSEUDO_REG) + return OP_BADOP; + return p->def->opcode; +} + static unsigned int value_size(long long value) { value >>= 8; |