[PATCH] D142583: [SPIR] Add support for __arithmetic_fence builtin for SPIR target.

[Zahira Ammarguellat via Phabricator via cfe-commits]

zahiraam updated this revision to Diff 492410.
zahiraam marked 3 inline comments as done.
zahiraam edited the summary of this revision.

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D142583/new/

https://reviews.llvm.org/D142583

Files:
  clang/lib/Basic/Targets/SPIR.h
  clang/test/CodeGen/arithmetic-fence-builtin.c
  clang/test/Sema/arithmetic-fence-builtin.c


Index: clang/test/Sema/arithmetic-fence-builtin.c
===================================================================
--- clang/test/Sema/arithmetic-fence-builtin.c
+++ clang/test/Sema/arithmetic-fence-builtin.c
@@ -2,6 +2,7 @@
 // RUN: %clang_cc1 -triple ppc64le -DPPC     -emit-llvm -o - -verify -x c++ %s
 // RUN: not %clang_cc1 -triple ppc64le -DPPC     -emit-llvm -o - -x c++ %s \
 // RUN:            -fprotect-parens 2>&1 | FileCheck -check-prefix=PPC %s
+// RUN: %clang_cc1 -triple spir64 -emit-llvm -o - -verify -x c++ %s
 #ifndef PPC
 int v;
 template <typename T> T addT(T a, T b) {
Index: clang/test/CodeGen/arithmetic-fence-builtin.c
===================================================================
--- clang/test/CodeGen/arithmetic-fence-builtin.c
+++ clang/test/CodeGen/arithmetic-fence-builtin.c
@@ -1,17 +1,22 @@
 // Test with fast math
 // RUN: %clang_cc1 -triple i386-pc-linux-gnu -emit-llvm -DFAST \
-// RUN: -mreassociate \
-// RUN: -o - %s | FileCheck --check-prefixes CHECK,CHECKFAST,CHECKNP %s
+// RUN: -mreassociate -o - %s \
+// RUN: | FileCheck --check-prefixes CHECK,CHECKFAST,CHECKPRECISE,CHECKNP %s
 //
 // Test with fast math and fprotect-parens
 // RUN: %clang_cc1 -triple i386-pc-linux-gnu -emit-llvm -DFAST \
-// RUN: -mreassociate -fprotect-parens -ffp-contract=on\
-// RUN: -o - %s | FileCheck --check-prefixes CHECK,CHECKFAST,CHECKPP %s
+// RUN: -mreassociate -fprotect-parens -ffp-contract=on -o - %s \
+// RUN: | FileCheck --check-prefixes CHECK,CHECKFAST,CHECKPRECISE,CHECKPP %s
 //
 // Test without fast math: llvm intrinsic not created
 // RUN: %clang_cc1 -triple i386-pc-linux-gnu -emit-llvm -fprotect-parens\
 // RUN: -o - %s | FileCheck --implicit-check-not="llvm.arithmetic.fence" %s
 //
+// Test with fast math on spir target
+// RUN: %clang_cc1 -triple spir64  -emit-llvm -mreassociate -o - %s \
+// RUN: | FileCheck --check-prefixes CHECK,CHECKFAST,CHECKNP %s
+//
+
 int v;
 int addit(float a, float b) {
   // CHECK: define {{.*}}@addit(float noundef %a, float noundef %b) #0 {
@@ -65,7 +70,7 @@
 #ifdef FAST
 #pragma float_control(precise, on)
 int subit(float a, float b, float *fp) {
-  // CHECKFAST: define {{.*}}@subit(float noundef %a, float noundef %b{{.*}}
+  // CHECKPRECISE: define {{.*}}@subit(float noundef %a, float noundef %b{{.*}}
   *fp = __arithmetic_fence(a - b);
   *fp = (a + b);
   // CHECK-NOT: call{{.*}} float @llvm.arithmetic.fence.f32(float noundef %add)
Index: clang/lib/Basic/Targets/SPIR.h
===================================================================
--- clang/lib/Basic/Targets/SPIR.h
+++ clang/lib/Basic/Targets/SPIR.h
@@ -191,6 +191,8 @@
   bool hasFeature(StringRef Feature) const override {
     return Feature == "spir";
   }
+
+  bool checkArithmeticFenceSupported() const override { return true; }
 };
 
 class LLVM_LIBRARY_VISIBILITY SPIR32TargetInfo : public SPIRTargetInfo {


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