T0b1/wasmtime
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

cranelift: Remove brz and brnz (#5630)

Browse Source 
Remove the brz and brnz instructions, as their behavior is now redundant with brif.
This commit is contained in:
Trevor Elliott
2023-01-30 12:34:56 -08:00
committed by GitHub
parent 77cf547f41
commit a5698cedf8
247 changed files with 2947 additions and 3754 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
cranelift/codegen/src/loop_analysis.rs
View File

@@ -330,6 +330,7 @@ mod tests {
let block1 = func.dfg.make_block();
let block2 = func.dfg.make_block();
let block3 = func.dfg.make_block();
let block4 = func.dfg.make_block();
let cond = func.dfg.append_block_param(block0, types::I32);
{
@@ -342,11 +343,13 @@ mod tests {
cur.ins().jump(block2, &[]);
cur.insert_block(block2);
cur.ins().brnz(cond, block1, &[]);
cur.ins().jump(block3, &[]);
cur.ins().brif(cond, block1, &[], block3, &[]);
cur.insert_block(block3);
cur.ins().brnz(cond, block0, &[]);
cur.ins().brif(cond, block0, &[], block4, &[]);
cur.insert_block(block4);
cur.ins().return_(&[]);
}
let mut loop_analysis = LoopAnalysis::new();
@@ -385,31 +388,32 @@ mod tests {
let block3 = func.dfg.make_block();
let block4 = func.dfg.make_block();
let block5 = func.dfg.make_block();
let block6 = func.dfg.make_block();
let cond = func.dfg.append_block_param(block0, types::I32);
{
let mut cur = FuncCursor::new(&mut func);
cur.insert_block(block0);
cur.ins().brnz(cond, block1, &[]);
cur.ins().jump(block3, &[]);
cur.ins().brif(cond, block1, &[], block3, &[]);
cur.insert_block(block1);
cur.ins().jump(block2, &[]);
cur.insert_block(block2);
cur.ins().brnz(cond, block1, &[]);
cur.ins().jump(block5, &[]);
cur.ins().brif(cond, block1, &[], block5, &[]);
cur.insert_block(block3);
cur.ins().jump(block4, &[]);
cur.insert_block(block4);
cur.ins().brnz(cond, block3, &[]);
cur.ins().jump(block5, &[]);
cur.ins().brif(cond, block3, &[], block5, &[]);
cur.insert_block(block5);
cur.ins().brnz(cond, block0, &[]);
cur.ins().brif(cond, block0, &[], block6, &[]);
cur.insert_block(block6);
cur.ins().return_(&[]);
}
let mut loop_analysis = LoopAnalysis::new();