[PATCH] D141734: [SPIR-V] Emit OpExecutionMode ContractionOff for no FP_CONTRACT metadata

[Michal Paszkowski via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG2bcedd464348: [SPIR-V] Emit OpExecutionMode ContractionOff for no FP_CONTRACT metadata (authored by mpaszkowski).

Changed prior to commit:
  https://reviews.llvm.org/D141734?vs=489140&id=490494#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D141734/new/

https://reviews.llvm.org/D141734

Files:
  llvm/lib/Target/SPIRV/SPIRVAsmPrinter.cpp
  llvm/test/CodeGen/SPIRV/metadata-opencl.ll
  llvm/test/CodeGen/SPIRV/opencl/kernel_arg_type_function_metadata.ll
  llvm/test/CodeGen/SPIRV/opencl/kernel_arg_type_module_metadata.ll
  llvm/test/CodeGen/SPIRV/opencl/metadata/fp_contractions_metadata.ll
  llvm/test/CodeGen/SPIRV/opencl/metadata/kernel_arg_type_function_metadata.ll
  llvm/test/CodeGen/SPIRV/opencl/metadata/kernel_arg_type_module_metadata.ll
  llvm/test/CodeGen/SPIRV/opencl/metadata/no_fp_contractions_metadata.ll
  llvm/test/CodeGen/SPIRV/opencl/metadata/opencl_version_metadata.ll


Index: llvm/test/CodeGen/SPIRV/opencl/metadata/no_fp_contractions_metadata.ll
===================================================================
--- /dev/null
+++ llvm/test/CodeGen/SPIRV/opencl/metadata/no_fp_contractions_metadata.ll
@@ -0,0 +1,8 @@
+; RUN: llc -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s
+
+; CHECK: OpEntryPoint Kernel %[[#ENTRY:]] "foo"
+; CHECK: OpExecutionMode %[[#ENTRY]] ContractionOff
+define spir_kernel void @foo() {
+entry:
+  ret void
+}
Index: llvm/test/CodeGen/SPIRV/opencl/metadata/fp_contractions_metadata.ll
===================================================================
--- /dev/null
+++ llvm/test/CodeGen/SPIRV/opencl/metadata/fp_contractions_metadata.ll
@@ -0,0 +1,10 @@
+; RUN: llc -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s
+
+; CHECK: OpEntryPoint Kernel %[[#ENTRY:]] "foo"
+; CHECK-NOT: OpExecutionMode %[[#ENTRY]] ContractionOff
+define spir_kernel void @foo() {
+entry:
+  ret void
+}
+
+!opencl.enable.FP_CONTRACT = !{}
Index: llvm/lib/Target/SPIRV/SPIRVAsmPrinter.cpp
===================================================================
--- llvm/lib/Target/SPIRV/SPIRVAsmPrinter.cpp
+++ llvm/lib/Target/SPIRV/SPIRVAsmPrinter.cpp
@@ -447,6 +447,15 @@
       Inst.addOperand(MCOperand::createImm(TypeCode));
       outputMCInst(Inst);
     }
+    if (!M.getNamedMetadata("spirv.ExecutionMode") &&
+        !M.getNamedMetadata("opencl.enable.FP_CONTRACT")) {
+      MCInst Inst;
+      Inst.setOpcode(SPIRV::OpExecutionMode);
+      Inst.addOperand(MCOperand::createReg(FReg));
+      unsigned EM = static_cast<unsigned>(SPIRV::ExecutionMode::ContractionOff);
+      Inst.addOperand(MCOperand::createImm(EM));
+      outputMCInst(Inst);
+    }
   }
 }
 


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