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authorReinUsesLisp <reinuseslisp@airmail.cc>2021-05-25 01:59:49 +0200
committerameerj <52414509+ameerj@users.noreply.github.com>2021-07-23 03:51:33 +0200
commit9fbfe7d676790dea160368eda6492e8feb6e2f4a (patch)
tree81bc6a375849fc6b114ec5cf26880bd93656099c /src/shader_recompiler/backend/glasm/emit_glasm.cpp
parentgl_shader_cache: Do not flip tessellation on OpenGL (diff)
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Diffstat (limited to '')
-rw-r--r--src/shader_recompiler/backend/glasm/emit_glasm.cpp12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm.cpp b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
index 8718cc7ec..2ce839059 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm.cpp
@@ -178,6 +178,10 @@ void EmitInst(EmitContext& ctx, IR::Inst* inst) {
throw LogicError("Invalid opcode {}", inst->GetOpcode());
}
+bool IsReference(IR::Inst& inst) {
+ return inst.GetOpcode() == IR::Opcode::Reference;
+}
+
void Precolor(EmitContext& ctx, const IR::Program& program) {
for (IR::Block* const block : program.blocks) {
for (IR::Inst& phi : block->Instructions() | std::views::take_while(IR::IsPhi)) {
@@ -194,11 +198,13 @@ void Precolor(EmitContext& ctx, const IR::Program& program) {
default:
throw NotImplementedException("Phi node type {}", phi.Type());
}
+ // Insert phi moves before references to avoid overwritting them
const size_t num_args{phi.NumArgs()};
for (size_t i = 0; i < num_args; ++i) {
- IR::IREmitter{*phi.PhiBlock(i)}.PhiMove(phi, phi.Arg(i));
+ IR::Block& phi_block{*phi.PhiBlock(i)};
+ auto it{std::find_if_not(phi_block.rbegin(), phi_block.rend(), IsReference).base()};
+ IR::IREmitter{phi_block, it}.PhiMove(phi, phi.Arg(i));
}
- // Add reference to the phi node on the phi predecessor to avoid overwritting it
for (size_t i = 0; i < num_args; ++i) {
IR::IREmitter{*phi.PhiBlock(i)}.Reference(IR::Value{&phi});
}
@@ -237,7 +243,7 @@ void EmitCode(EmitContext& ctx, const IR::Program& program) {
}
} else {
ctx.Add("MOV.S.CC RC,{};"
- "BRK (EQ.x);"
+ "BRK(EQ.x);"
"ENDREP;",
eval(node.data.repeat.cond));
}