From: Jan Vesely <jan.vesely@rutgers.edu>
Date: Thu, 19 Oct 2017 20:40:13 +0000 (+0000)
Subject: AMDGPU: Parse r600 CPU name early and expose FMAF capability
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2178f1e610ea28722053a9f5bb532ea14ad1b852;p=clang

AMDGPU: Parse r600 CPU name early and expose FMAF capability

Improve amdgcn macro test
Differential Revision: https://reviews.llvm.org/D38667

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@316181 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Basic/Targets/AMDGPU.cpp b/lib/Basic/Targets/AMDGPU.cpp
index 076d487827..b8740ca4b4 100644
--- a/lib/Basic/Targets/AMDGPU.cpp
+++ b/lib/Basic/Targets/AMDGPU.cpp
@@ -308,7 +308,8 @@ void AMDGPUTargetInfo::setAddressSpaceMap(bool DefaultIsPrivate) {
 
 AMDGPUTargetInfo::AMDGPUTargetInfo(const llvm::Triple &Triple,
                                    const TargetOptions &Opts)
-    : TargetInfo(Triple), GPU(isAMDGCN(Triple) ? GK_GFX6 : GK_R600),
+    : TargetInfo(Triple),
+      GPU(isAMDGCN(Triple) ? GK_GFX6 : parseR600Name(Opts.CPU)),
       hasFP64(false), hasFMAF(false), hasLDEXPF(false),
       AS(isGenericZero(Triple)) {
   if (getTriple().getArch() == llvm::Triple::amdgcn) {
@@ -316,6 +317,11 @@ AMDGPUTargetInfo::AMDGPUTargetInfo(const llvm::Triple &Triple,
     hasFMAF = true;
     hasLDEXPF = true;
   }
+  if (getTriple().getArch() == llvm::Triple::r600) {
+    if (GPU == GK_EVERGREEN_DOUBLE_OPS || GPU == GK_CAYMAN) {
+      hasFMAF = true;
+    }
+  }
   auto IsGenericZero = isGenericZero(Triple);
   resetDataLayout(getTriple().getArch() == llvm::Triple::amdgcn
                       ? (IsGenericZero ? DataLayoutStringSIGenericIsZero
diff --git a/test/Preprocessor/predefined-arch-macros.c b/test/Preprocessor/predefined-arch-macros.c
index cdf12dbe5f..06faf0eade 100644
--- a/test/Preprocessor/predefined-arch-macros.c
+++ b/test/Preprocessor/predefined-arch-macros.c
@@ -2378,6 +2378,9 @@
 // RUN:     -target amdgcn-unknown-unknown \
 // RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_AMDGCN
 // CHECK_AMDGCN: #define __AMDGCN__ 1
+// CHECK_AMDGCN: #define __HAS_FMAF__ 1
+// CHECK_AMDGCN: #define __HAS_FP64__ 1
+// CHECK_AMDGCN: #define __HAS_LDEXPF__ 1
 
 // Begin r600 tests ----------------
 //
@@ -2385,3 +2388,10 @@
 // RUN:     -target r600-unknown-unknown \
 // RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_R600
 // CHECK_R600: #define __R600__ 1
+// CHECK_R600-NOT: #define __HAS_FMAF__ 1
+
+// RUN: %clang -march=amdgcn -mcpu=cypress -E -dM %s -o - 2>&1 \
+// RUN:     -target r600-unknown-unknown \
+// RUN:   | FileCheck -match-full-lines %s -check-prefix=CHECK_R600_FP64
+// CHECK_R600_FP64-DAG: #define __R600__ 1
+// CHECK_R600_FP64-DAG: #define __HAS_FMAF__ 1