nordic-dev.net/rust-gpu
2
0
Fork 0
mirror of https://github.com/EmbarkStudios/rust-gpu.git synced 2025-02-16 17:04:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix bug with mem2reg store valid variable detection

Browse Source
This commit is contained in:
khyperia 2020-10-19 14:48:01 +02:00
parent 919b320d32
commit 64e0f664e0
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
rustc_codegen_spirv/src/linker/mem2reg.rs
View File

@ -193,11 +193,13 @@ fn collect_access_chains(
loop {
let mut changed = false;
for inst in blocks.iter().flat_map(|b| &b.instructions) {
for op in &inst.operands {
for (index, op) in inst.operands.iter().enumerate() {
if let Operand::IdRef(id) = op {
if variables.contains_key(id) {
match inst.class.opcode {
Op::Load | Op::Store | Op::AccessChain | Op::InBoundsAccessChain => {}
// Only allow store if pointer is the lhs, not rhs
Op::Store if index == 0 => {}
Op::Load | Op::AccessChain | Op::InBoundsAccessChain => {}
_ => return None,
}
}