void-packages/srcpkgs/llvm9/files/patches/llvm/llvm-002-musl-ppc64-elfv2.p...

32 lines
1.7 KiB
Diff

This patches LLVM to use ELFv2 on ppc64 uncoditionally unless overridden. We
need this because unlike most distros we use ELFv2 for both glibc and musl
on big endian ppc64.
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -211,11 +211,11 @@ static PPCTargetMachine::PPCABI computeTargetABI(const Triple &TT,
switch (TT.getArch()) {
case Triple::ppc64le:
- return PPCTargetMachine::PPC_ABI_ELFv2;
case Triple::ppc64:
- if (TT.getEnvironment() == llvm::Triple::ELFv2)
- return PPCTargetMachine::PPC_ABI_ELFv2;
- return PPCTargetMachine::PPC_ABI_ELFv1;
+ /* default to ELFv2 always, don't care about llvm's stupid broken suffix
+ * triples; people can override the default properly via -mabi like gcc
+ */
+ return PPCTargetMachine::PPC_ABI_ELFv2;
default:
return PPCTargetMachine::PPC_ABI_UNKNOWN;
}
--- a/test/CodeGen/PowerPC/ppc64-elf-abi.ll
+++ b/test/CodeGen/PowerPC/ppc64-elf-abi.ll
@@ -1,4 +1,5 @@
-; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu < %s | FileCheck %s -check-prefix=CHECK-ELFv1
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu < %s | FileCheck %s -check-prefix=CHECK-ELFv2
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-musl < %s | FileCheck %s -check-prefix=CHECK-ELFv2
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -target-abi elfv1 < %s | FileCheck %s -check-prefix=CHECK-ELFv1
; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu -target-abi elfv2 < %s | FileCheck %s -check-prefix=CHECK-ELFv2
; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s -check-prefix=CHECK-ELFv2