hiraditya created this revision.
hiraditya added reviewers: enh, danalbert, pirama, srhines.
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s.egerton, Jim, benna, psnobl, rogfer01, shiva0217, kito-cheng, simoncook, asb, 
arichardson.
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Herald added a project: clang.

Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D150490

Files:
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/test/Driver/frame-pointer-elim.c
  clang/test/Driver/frame-pointer.c


Index: clang/test/Driver/frame-pointer.c
===================================================================
--- clang/test/Driver/frame-pointer.c
+++ clang/test/Driver/frame-pointer.c
@@ -57,6 +57,12 @@
 // RUN: %clang --target=riscv64-unknown-linux-gnu -### -S -O3 %s 2>&1 | 
FileCheck -check-prefix=CHECK3-64 %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu -### -S -Os %s 2>&1 | 
FileCheck -check-prefix=CHECKs-64 %s
 
+// RUN: %clang --target=riscv64-linux-android -### -S -O0 %s 2>&1 | FileCheck 
-check-prefix=CHECK-ANDROID-64 %s
+// RUN: %clang --target=riscv64-linux-android -### -S -O1 %s 2>&1 | FileCheck 
-check-prefix=CHECK-ANDROID-64 %s
+// RUN: %clang --target=riscv64-linux-android -### -S -O2 %s 2>&1 | FileCheck 
-check-prefix=CHECK-ANDROID-64 %s
+// RUN: %clang --target=riscv64-linux-android -### -S -O3 %s 2>&1 | FileCheck 
-check-prefix=CHECK-ANDROID-64 %s
+// RUN: %clang --target=riscv64-linux-android -### -S -Os %s 2>&1 | FileCheck 
-check-prefix=CHECK-ANDROID-64 %s
+
 // RUN: %clang --target=loongarch32 -### -S -O0 %s -o %t.s 2>&1 | FileCheck 
-check-prefix=CHECK0-32 %s
 // RUN: %clang --target=loongarch32 -### -S -O1 %s -o %t.s 2>&1 | FileCheck 
-check-prefix=CHECK1-32 %s
 // RUN: %clang --target=loongarch32 -### -S -O2 %s -o %t.s 2>&1 | FileCheck 
-check-prefix=CHECK2-32 %s
@@ -81,3 +87,5 @@
 // CHECK3-64-NOT: -mframe-pointer=all
 // CHECKs-64-NOT: -mframe-pointer=all
 // CHECK-MACHO-64: -mframe-pointer=all
+
+// CHECK-ANDROID-64: -mframe-pointer=non-leaf
Index: clang/test/Driver/frame-pointer-elim.c
===================================================================
--- clang/test/Driver/frame-pointer-elim.c
+++ clang/test/Driver/frame-pointer-elim.c
@@ -153,6 +153,9 @@
 // RUN:   FileCheck --check-prefix=KEEP-ALL %s
 // RUN: %clang -### -target armv7a-linux-androideabi- -mthumb -mbig-endian -O1 
-S %s 2>&1 | \
 // RUN:   FileCheck --check-prefix=KEEP-ALL %s
-
+// RUN: %clang -### -target riscv64-linux-android -O1 -S %s 2>&1 | \
+// RUN:   FileCheck --check-prefix=KEEP-NON-LEAF %s
+// RUN: %clang -### -target riscv64-linux-android -mbig-endian -O1 -S %s 2>&1 
| \
+// RUN:   FileCheck --check-prefix=KEEP-NON-LEAF %s
 void f0() {}
 void f1() { f0(); }
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -420,6 +420,9 @@
   if (Args.hasArg(options::OPT_pg) && !Args.hasArg(options::OPT_mfentry))
     return true;
 
+  if (Triple.isAndroid() && Triple.getArch() == llvm::Triple::riscv64)
+    return true;
+
   switch (Triple.getArch()) {
   case llvm::Triple::xcore:
   case llvm::Triple::wasm32:
@@ -515,7 +518,8 @@
   bool OmitLeafFP =
       Args.hasFlag(options::OPT_momit_leaf_frame_pointer,
                    options::OPT_mno_omit_leaf_frame_pointer,
-                   Triple.isAArch64() || Triple.isPS() || Triple.isVE());
+                   Triple.isAArch64() || Triple.isPS() || Triple.isVE() ||
+                   (Triple.isAndroid() && (Triple.getArch() == 
llvm::Triple::riscv64)));
   if (NoOmitFP || mustUseNonLeafFramePointerForTarget(Triple) ||
       (!OmitFP && useFramePointerForTargetByDefault(Args, Triple))) {
     if (OmitLeafFP)


Index: clang/test/Driver/frame-pointer.c
===================================================================
--- clang/test/Driver/frame-pointer.c
+++ clang/test/Driver/frame-pointer.c
@@ -57,6 +57,12 @@
 // RUN: %clang --target=riscv64-unknown-linux-gnu -### -S -O3 %s 2>&1 | FileCheck -check-prefix=CHECK3-64 %s
 // RUN: %clang --target=riscv64-unknown-linux-gnu -### -S -Os %s 2>&1 | FileCheck -check-prefix=CHECKs-64 %s
 
+// RUN: %clang --target=riscv64-linux-android -### -S -O0 %s 2>&1 | FileCheck -check-prefix=CHECK-ANDROID-64 %s
+// RUN: %clang --target=riscv64-linux-android -### -S -O1 %s 2>&1 | FileCheck -check-prefix=CHECK-ANDROID-64 %s
+// RUN: %clang --target=riscv64-linux-android -### -S -O2 %s 2>&1 | FileCheck -check-prefix=CHECK-ANDROID-64 %s
+// RUN: %clang --target=riscv64-linux-android -### -S -O3 %s 2>&1 | FileCheck -check-prefix=CHECK-ANDROID-64 %s
+// RUN: %clang --target=riscv64-linux-android -### -S -Os %s 2>&1 | FileCheck -check-prefix=CHECK-ANDROID-64 %s
+
 // RUN: %clang --target=loongarch32 -### -S -O0 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK0-32 %s
 // RUN: %clang --target=loongarch32 -### -S -O1 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK1-32 %s
 // RUN: %clang --target=loongarch32 -### -S -O2 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK2-32 %s
@@ -81,3 +87,5 @@
 // CHECK3-64-NOT: -mframe-pointer=all
 // CHECKs-64-NOT: -mframe-pointer=all
 // CHECK-MACHO-64: -mframe-pointer=all
+
+// CHECK-ANDROID-64: -mframe-pointer=non-leaf
Index: clang/test/Driver/frame-pointer-elim.c
===================================================================
--- clang/test/Driver/frame-pointer-elim.c
+++ clang/test/Driver/frame-pointer-elim.c
@@ -153,6 +153,9 @@
 // RUN:   FileCheck --check-prefix=KEEP-ALL %s
 // RUN: %clang -### -target armv7a-linux-androideabi- -mthumb -mbig-endian -O1 -S %s 2>&1 | \
 // RUN:   FileCheck --check-prefix=KEEP-ALL %s
-
+// RUN: %clang -### -target riscv64-linux-android -O1 -S %s 2>&1 | \
+// RUN:   FileCheck --check-prefix=KEEP-NON-LEAF %s
+// RUN: %clang -### -target riscv64-linux-android -mbig-endian -O1 -S %s 2>&1 | \
+// RUN:   FileCheck --check-prefix=KEEP-NON-LEAF %s
 void f0() {}
 void f1() { f0(); }
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -420,6 +420,9 @@
   if (Args.hasArg(options::OPT_pg) && !Args.hasArg(options::OPT_mfentry))
     return true;
 
+  if (Triple.isAndroid() && Triple.getArch() == llvm::Triple::riscv64)
+    return true;
+
   switch (Triple.getArch()) {
   case llvm::Triple::xcore:
   case llvm::Triple::wasm32:
@@ -515,7 +518,8 @@
   bool OmitLeafFP =
       Args.hasFlag(options::OPT_momit_leaf_frame_pointer,
                    options::OPT_mno_omit_leaf_frame_pointer,
-                   Triple.isAArch64() || Triple.isPS() || Triple.isVE());
+                   Triple.isAArch64() || Triple.isPS() || Triple.isVE() ||
+                   (Triple.isAndroid() && (Triple.getArch() == llvm::Triple::riscv64)));
   if (NoOmitFP || mustUseNonLeafFramePointerForTarget(Triple) ||
       (!OmitFP && useFramePointerForTargetByDefault(Args, Triple))) {
     if (OmitLeafFP)
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