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authorReinUsesLisp <reinuseslisp@airmail.cc>2021-03-14 07:41:05 +0100
committerameerj <52414509+ameerj@users.noreply.github.com>2021-07-23 03:51:23 +0200
commit71f96fa6366dc6dd306a953bca1b958fb32bc55a (patch)
tree12e13f9502e4b9510446c967a831e5d4bacb729e /src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp
parentspirv: Add SignedZeroInfNanPreserve logic (diff)
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Diffstat (limited to 'src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp')
-rw-r--r--src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp b/src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp
index 132b2012a..8ad59f42e 100644
--- a/src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp
+++ b/src/shader_recompiler/ir_opt/dead_code_elimination_pass.cpp
@@ -10,12 +10,14 @@
namespace Shader::Optimization {
-void DeadCodeEliminationPass(IR::Block& block) {
+void DeadCodeEliminationPass(IR::Program& program) {
// We iterate over the instructions in reverse order.
// This is because removing an instruction reduces the number of uses for earlier instructions.
- for (IR::Inst& inst : block | std::views::reverse) {
- if (!inst.HasUses() && !inst.MayHaveSideEffects()) {
- inst.Invalidate();
+ for (IR::Block* const block : program.post_order_blocks) {
+ for (IR::Inst& inst : block->Instructions() | std::views::reverse) {
+ if (!inst.HasUses() && !inst.MayHaveSideEffects()) {
+ inst.Invalidate();
+ }
}
}
}