mgrang created this revision.
mgrang added reviewers: rnk, compnerd, mstorsjo, TomTan, efriedma.
Herald added subscribers: chrib, kristof.beyls, javed.absar.
This patch mimics X86 behavior and add aarch64_seh_recoverfp similar to
x86_seh_recoverfp.
This patch is needed by https://reviews.llvm.org/D53540.
Repository:
rC Clang
https://reviews.llvm.org/D53541
Files:
lib/CodeGen/CGException.cpp
test/CodeGen/exceptions-seh.c
Index: test/CodeGen/exceptions-seh.c
===================================================================
--- test/CodeGen/exceptions-seh.c
+++ test/CodeGen/exceptions-seh.c
@@ -99,7 +99,7 @@
// X64: call i8* @llvm.localrecover(i8* bitcast (i32 ()* @filter_expr_capture
to i8*), i8* %[[fp]], i32 0)
//
// ARM64-LABEL: define internal i32 @"?filt$0@0@filter_expr_capture@@"(i8*
%exception_pointers, i8* %frame_pointer)
-// ARM64: %[[fp:[^ ]*]] = call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32
()* @filter_expr_capture to i8*), i8* %frame_pointer)
+// ARM64: %[[fp:[^ ]*]] = call i8* @llvm.aarch64.seh.recoverfp(i8* bitcast
(i32 ()* @filter_expr_capture to i8*), i8* %frame_pointer)
// ARM64: call i8* @llvm.localrecover(i8* bitcast (i32 ()*
@filter_expr_capture to i8*), i8* %[[fp]], i32 0)
//
// X86-LABEL: define internal i32 @"?filt$0@0@filter_expr_capture@@"()
Index: lib/CodeGen/CGException.cpp
===================================================================
--- lib/CodeGen/CGException.cpp
+++ lib/CodeGen/CGException.cpp
@@ -1777,6 +1777,8 @@
// frame pointer of the parent function. We only need to do this in
filters,
// since finally funclets recover the parent FP for us.
llvm::Function *RecoverFPIntrin =
+ CGM.getTarget().getTriple().getArch() == llvm::Triple::aarch64 ?
+ CGM.getIntrinsic(llvm::Intrinsic::aarch64_seh_recoverfp) :
CGM.getIntrinsic(llvm::Intrinsic::x86_seh_recoverfp);
llvm::Constant *ParentI8Fn =
llvm::ConstantExpr::getBitCast(ParentCGF.CurFn, Int8PtrTy);
Index: test/CodeGen/exceptions-seh.c
===================================================================
--- test/CodeGen/exceptions-seh.c
+++ test/CodeGen/exceptions-seh.c
@@ -99,7 +99,7 @@
// X64: call i8* @llvm.localrecover(i8* bitcast (i32 ()* @filter_expr_capture to i8*), i8* %[[fp]], i32 0)
//
// ARM64-LABEL: define internal i32 @"?filt$0@0@filter_expr_capture@@"(i8* %exception_pointers, i8* %frame_pointer)
-// ARM64: %[[fp:[^ ]*]] = call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @filter_expr_capture to i8*), i8* %frame_pointer)
+// ARM64: %[[fp:[^ ]*]] = call i8* @llvm.aarch64.seh.recoverfp(i8* bitcast (i32 ()* @filter_expr_capture to i8*), i8* %frame_pointer)
// ARM64: call i8* @llvm.localrecover(i8* bitcast (i32 ()* @filter_expr_capture to i8*), i8* %[[fp]], i32 0)
//
// X86-LABEL: define internal i32 @"?filt$0@0@filter_expr_capture@@"()
Index: lib/CodeGen/CGException.cpp
===================================================================
--- lib/CodeGen/CGException.cpp
+++ lib/CodeGen/CGException.cpp
@@ -1777,6 +1777,8 @@
// frame pointer of the parent function. We only need to do this in filters,
// since finally funclets recover the parent FP for us.
llvm::Function *RecoverFPIntrin =
+ CGM.getTarget().getTriple().getArch() == llvm::Triple::aarch64 ?
+ CGM.getIntrinsic(llvm::Intrinsic::aarch64_seh_recoverfp) :
CGM.getIntrinsic(llvm::Intrinsic::x86_seh_recoverfp);
llvm::Constant *ParentI8Fn =
llvm::ConstantExpr::getBitCast(ParentCGF.CurFn, Int8PtrTy);
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