[PATCH] D145721: [HIP] clang should pass `-mno-amdgpu-ieee` to -cc1

[Yaxun Liu via Phabricator via cfe-commits]

yaxunl created this revision.
yaxunl added a reviewer: tra.
Herald added subscribers: kosarev, tpr, dstuttard, kzhuravl.
Herald added a project: All.
yaxunl requested review of this revision.
Herald added subscribers: MaskRay, wdng.

https://reviews.llvm.org/D145721

Files:
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/test/Driver/hip-options.hip


Index: clang/test/Driver/hip-options.hip
===================================================================
--- clang/test/Driver/hip-options.hip
+++ clang/test/Driver/hip-options.hip
@@ -126,3 +126,13 @@
 // RUN:   --offload-arch=gfx906 %s 2>&1 \
 // RUN:   | FileCheck -check-prefix=KANNEG %s
 // KANNEG-NOT: "-fhip-kernel-arg-name"
+
+// RUN: %clang -### -nogpuinc -nogpulib -mno-amdgpu-ieee -mamdgpu-ieee \
+// RUN:   --cuda-gpu-arch=gfx906  %s 2>&1 | FileCheck -check-prefix=IEEE-ON %s
+// IEEE-ON-NOT: clang{{.*}} "-triple" "amdgcn-amd-amdhsa" {{.*}} "-mamdgpu-ieee"
+// IEEE-ON-NOT: clang{{.*}} "-triple" "amdgcn-amd-amdhsa" {{.*}} "-mno-amdgpu-ieee"
+
+// RUN: %clang -### -nogpuinc -nogpulib -mamdgpu-ieee -mno-amdgpu-ieee -ffast-math \
+// RUN:   --cuda-gpu-arch=gfx906  %s 2>&1 | FileCheck -check-prefixes=IEEE-OFF,IEEE-OFF-NEG %s
+// IEEE-OFF-NEG-NOT: clang{{.*}} "-triple" "amdgcn-amd-amdhsa" {{.*}} "-mamdgpu-ieee"
+// IEEE-OFF-DAG: clang{{.*}} "-triple" "amdgcn-amd-amdhsa" {{.*}} "-mno-amdgpu-ieee"
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -7187,6 +7187,8 @@
 
     Args.addOptInFlag(CmdArgs, options::OPT_munsafe_fp_atomics,
                       options::OPT_mno_unsafe_fp_atomics);
+    Args.addOptOutFlag(CmdArgs, options::OPT_mamdgpu_ieee,
+                       options::OPT_mno_amdgpu_ieee);
   }
 
   // For all the host OpenMP offloading compile jobs we need to pass the targets


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