AMDGPU/GlobalISel: Implement select for 32-bit G_ADD
Reviewers: arsenm
Reviewed By: arsenm
Subscribers: hiraditya, kzhuravl, jvesely, wdng, nhaehnle, yaxunl, rovka, kristof.beyls, dstuttard, tpr, t-tye, Petar.Avramovic, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D58804
llvm-svn: 364797
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUGISel.td b/llvm/lib/Target/AMDGPU/AMDGPUGISel.td
index 6f725d6..accb8ea 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUGISel.td
+++ b/llvm/lib/Target/AMDGPU/AMDGPUGISel.td
@@ -128,6 +128,9 @@
def : GISelSop2Pat <or, S_OR_B32, i32>;
def : GISelVop2Pat <or, V_OR_B32_e32, i32>;
+def : GISelSop2Pat <add, S_ADD_I32, i32>;
+def : GISelVop2Pat <add, V_ADD_I32_e32, i32>;
+
def : GISelSop2Pat <sra, S_ASHR_I32, i32>;
let AddedComplexity = 100 in {
let SubtargetPredicate = isGFX6GFX7 in {
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp b/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
index a084b5d..2c238f0 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
@@ -1056,10 +1056,12 @@
}
switch (I.getOpcode()) {
+ case TargetOpcode::G_ADD:
+ if (selectG_ADD(I))
+ return true;
+ LLVM_FALLTHROUGH;
default:
return selectImpl(I, CoverageInfo);
- case TargetOpcode::G_ADD:
- return selectG_ADD(I);
case TargetOpcode::G_INTTOPTR:
case TargetOpcode::G_BITCAST:
return selectCOPY(I);