Remove redundant code

sysprog21 · Nov 21, 2023 · 4b823b3 · 4b823b3
1 parent edde5a8
commit 4b823b3
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Showing 2 changed files with 2 additions and 8 deletions.
diff --git a/src/arm-codegen.c b/src/arm-codegen.c
@@ -41,16 +41,13 @@ void cfg_flatten()
         flatten_ir = add_ph2_ir(OP_define);
         flatten_ir->src0 = fn->func->stack_size;
 
-        int flag = 0;
         basic_block_t *bb;
         for (bb = fn->bbs; bb; bb = bb->rpo_next) {
             bb->elf_offset = elf_offset;
 
-            if (!flag) {
+            if (bb == fn->bbs)
                 /* save ra, sp */
                 elf_offset += 16;
-                flag = 1;
-            }
 
             ph2_ir_t *inst;
             for (inst = bb->ph2_ir_list.head; inst; inst = inst->next) {

diff --git a/src/riscv-codegen.c b/src/riscv-codegen.c
@@ -41,16 +41,13 @@ void cfg_flatten()
         flatten_ir = add_ph2_ir(OP_define);
         flatten_ir->src0 = fn->func->stack_size;
 
-        int flag = 0;
         basic_block_t *bb;
         for (bb = fn->bbs; bb; bb = bb->rpo_next) {
             bb->elf_offset = elf_offset;
 
-            if (!flag) {
+            if (bb == fn->bbs)
                 /* save ra, sp */
                 elf_offset += 8;
-                flag = 1;
-            }
 
             ph2_ir_t *inst;
             for (inst = bb->ph2_ir_list.head; inst; inst = inst->next) {