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llvm-project/clang/test/Driver/mbackchain.c

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[SystemZ] Don't allow CL option -mpacked-stack with -mbackchain. -mpacked-stack is currently not supported with -mbackchain, so this should result in a compilation error message instead of being silently ignored. Review: Ulrich Weigand
2019-12-31 06:03:49 +08:00
// RUN: %clang -target s390x -c -### %s -mpacked-stack -mbackchain 2>&1 | FileCheck %s
[SystemZ] Support the kernel back chain. In order to build the Linux kernel, the back chain must be supported with packed-stack. The back chain is then stored topmost in the register save area. Review: Ulrich Weigand Differential Revision: https://reviews.llvm.org/D74506
2020-02-20 06:54:12 +08:00
// RUN: %clang -target s390x -c -### %s -mpacked-stack -mbackchain -msoft-float \
// RUN: 2>&1 | FileCheck %s --check-prefix=KERNEL-BUILD
// REQUIRES: systemz-registered-target
[SystemZ] Don't allow CL option -mpacked-stack with -mbackchain. -mpacked-stack is currently not supported with -mbackchain, so this should result in a compilation error message instead of being silently ignored. Review: Ulrich Weigand
2019-12-31 06:03:49 +08:00
[SystemZ] Support the kernel back chain. In order to build the Linux kernel, the back chain must be supported with packed-stack. The back chain is then stored topmost in the register save area. Review: Ulrich Weigand Differential Revision: https://reviews.llvm.org/D74506
2020-02-20 06:54:12 +08:00
// CHECK: error: unsupported option '-mpacked-stack -mbackchain -mhard-float'
// KERNEL-BUILD-NOT: error: unsupported option