diff options
4 files changed, 16 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp index e911085d0ad..8ecfd1e9efd 100644 --- a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp +++ b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp @@ -1253,6 +1253,15 @@ bool IRTranslator::runOnMachineFunction(MachineFunction &CurMF) { assert(PendingPHIs.empty() && "stale PHIs"); + if (!DL->isLittleEndian()) { + // Currently we don't properly handle big endian code. + OptimizationRemarkMissed R("gisel-irtranslator", "GISelFailure", + MF->getFunction()->getSubprogram(), + &MF->getFunction()->getEntryBlock()); + R << "unable to translate in big endian mode"; + reportTranslationError(*MF, *TPC, *ORE, R); + } + // Release the per-function state when we return, whether we succeeded or not. auto FinalizeOnReturn = make_scope_exit([this]() { finalizeFunction(); }); diff --git a/llvm/test/CodeGen/AArch64/GlobalISel/arm64-fallback.ll b/llvm/test/CodeGen/AArch64/GlobalISel/arm64-fallback.ll index 72069f0e62e..86ac5507a40 100644 --- a/llvm/test/CodeGen/AArch64/GlobalISel/arm64-fallback.ll +++ b/llvm/test/CodeGen/AArch64/GlobalISel/arm64-fallback.ll @@ -3,6 +3,7 @@ ; RUN: llc -O0 -global-isel -global-isel-abort=2 -pass-remarks-missed='gisel*' -verify-machineinstrs %s -o %t.out 2> %t.err ; RUN: FileCheck %s --check-prefix=FALLBACK-WITH-REPORT-OUT < %t.out ; RUN: FileCheck %s --check-prefix=FALLBACK-WITH-REPORT-ERR < %t.err +; RUN: not llc -global-isel -mtriple aarch64_be %s -o - 2>&1 | FileCheck %s --check-prefix=BIG-ENDIAN ; This file checks that the fallback path to selection dag works. ; The test is fragile in the sense that it must be updated to expose ; something that fails with global-isel. @@ -12,6 +13,8 @@ target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" target triple = "aarch64--" +; BIG-ENDIAN: unable to translate in big endian mode + ; We use __fixunstfti as the common denominator for __fixunstfti on Linux and ; ___fixunstfti on iOS ; ERROR: unable to lower arguments: i128 (i128)* (in function: ABIi128) diff --git a/llvm/test/CodeGen/ARM/GlobalISel/arm-irtranslator.ll b/llvm/test/CodeGen/ARM/GlobalISel/arm-irtranslator.ll index 194c6270437..9c070e858b9 100644 --- a/llvm/test/CodeGen/ARM/GlobalISel/arm-irtranslator.ll +++ b/llvm/test/CodeGen/ARM/GlobalISel/arm-irtranslator.ll @@ -1,5 +1,6 @@ ; RUN: llc -mtriple arm-unknown -mattr=+vfp2,+v4t -global-isel -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=LITTLE -; RUN: llc -mtriple armeb-unknown -mattr=+vfp2,+v4t -global-isel -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=BIG +; RUN: llc -mtriple armeb-unknown -mattr=+vfp2,+v4t -global-isel -global-isel-abort=0 -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=BIG +; XFAIL: armeb define void @test_void_return() { ; CHECK-LABEL: name: test_void_return diff --git a/llvm/test/CodeGen/ARM/GlobalISel/arm-param-lowering.ll b/llvm/test/CodeGen/ARM/GlobalISel/arm-param-lowering.ll index fd484287398..e7aaa74fb98 100644 --- a/llvm/test/CodeGen/ARM/GlobalISel/arm-param-lowering.ll +++ b/llvm/test/CodeGen/ARM/GlobalISel/arm-param-lowering.ll @@ -1,5 +1,6 @@ ; RUN: llc -mtriple arm-unknown -mattr=+vfp2,+v4t -global-isel -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=LITTLE -; RUN: llc -mtriple armeb-unknown -mattr=+vfp2,+v4t -global-isel -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=BIG +; RUN: llc -mtriple armeb-unknown -mattr=+vfp2,+v4t -global-isel -global-isel-abort=0 -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=BIG +; XFAIL: armeb declare arm_aapcscc i32* @simple_reg_params_target(i32, i32*) |
