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llvm-project/llvm/test/CodeGen/RISCV/target-abi-valid.ll

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[RISCV] Support -target-abi at the MC layer and for codegen This patch adds proper handling of -target-abi, as accepted by llvm-mc and llc. Lowering (codegen) for the hard-float ABIs will follow in a subsequent patch. However, this patch does add MC layer support for the hard float and RVE ABIs (emission of the appropriate ELF flags https://github.com/riscv/riscv-elf-psabi-doc/blob/master/riscv-elf.md#-file-header). ABI parsing must be shared between codegen and the MC layer, so we add computeTargetABI to RISCVUtils. A warning will be printed if an invalid or unrecognized ABI is given. Differential Revision: https://reviews.llvm.org/D59023 llvm-svn: 355771
2019-03-09 17:28:06 +08:00
; RUN: llc -mtriple=riscv32 < %s \
; RUN: | FileCheck -check-prefix=CHECK-IMP %s
; RUN: llc -mtriple=riscv32 -target-abi ilp32 < %s \
; RUN: | FileCheck -check-prefix=CHECK-IMP %s
; RUN: llc -mtriple=riscv32 -mattr=+f -target-abi ilp32 < %s \
; RUN: | FileCheck -check-prefix=CHECK-IMP %s
; RUN: llc -mtriple=riscv32 -mattr=+d -target-abi ilp32 < %s \
; RUN: | FileCheck -check-prefix=CHECK-IMP %s
; RUN: llc -mtriple=riscv64 < %s \
; RUN: | FileCheck -check-prefix=CHECK-IMP %s
; RUN: llc -mtriple=riscv64 -target-abi lp64 < %s \
; RUN: | FileCheck -check-prefix=CHECK-IMP %s
; RUN: llc -mtriple=riscv64 -mattr=+f -target-abi lp64 < %s \
; RUN: | FileCheck -check-prefix=CHECK-IMP %s
; RUN: llc -mtriple=riscv64 -mattr=+d -target-abi lp64 < %s \
; RUN: | FileCheck -check-prefix=CHECK-IMP %s
[RISCV] Add codegen support for ilp32f, ilp32d, lp64f, and lp64d ("hard float") ABIs This patch adds support for the RISC-V hard float ABIs, building on top of rL355771, which added basic target-abi parsing and MC layer support. It also builds on some re-organisations and expansion of the upstream ABI and calling convention tests which were recently committed directly upstream. A number of aspects of the RISC-V float hard float ABIs require frontend support (e.g. flattening of structs and passing int+fp for fp+fp structs in a pair of registers), and will be addressed in a Clang patch. As can be seen from the tests, it would be worthwhile extending RISCVMergeBaseOffsets to handle constant pool as well as global accesses. Differential Revision: https://reviews.llvm.org/D59357 llvm-svn: 357352
2019-03-31 01:59:30 +08:00
; RUN: llc -mtriple=riscv32 -mattr=+f -target-abi ilp32f < %s 2>&1 \
; RUN: | FileCheck -check-prefix=CHECK-IMP %s
; RUN: llc -mtriple=riscv32 -mattr=+d -target-abi ilp32f < %s 2>&1 \
; RUN: | FileCheck -check-prefix=CHECK-IMP %s
; RUN: llc -mtriple=riscv32 -mattr=+d -target-abi ilp32d < %s 2>&1 \
; RUN: | FileCheck -check-prefix=CHECK-IMP %s
; RUN: llc -mtriple=riscv64 -mattr=+f -target-abi lp64f < %s 2>&1 \
; RUN: | FileCheck -check-prefix=CHECK-IMP %s
; RUN: llc -mtriple=riscv64 -mattr=+d -target-abi lp64f < %s 2>&1 \
; RUN: | FileCheck -check-prefix=CHECK-IMP %s
; RUN: llc -mtriple=riscv64 -mattr=+d -target-abi lp64d < %s 2>&1 \
; RUN: | FileCheck -check-prefix=CHECK-IMP %s
[RISCV] Support -target-abi at the MC layer and for codegen This patch adds proper handling of -target-abi, as accepted by llvm-mc and llc. Lowering (codegen) for the hard-float ABIs will follow in a subsequent patch. However, this patch does add MC layer support for the hard float and RVE ABIs (emission of the appropriate ELF flags https://github.com/riscv/riscv-elf-psabi-doc/blob/master/riscv-elf.md#-file-header). ABI parsing must be shared between codegen and the MC layer, so we add computeTargetABI to RISCVUtils. A warning will be printed if an invalid or unrecognized ABI is given. Differential Revision: https://reviews.llvm.org/D59023 llvm-svn: 355771
2019-03-09 17:28:06 +08:00
define void @nothing() nounwind {
; CHECK-IMP-LABEL: nothing:
; CHECK-IMP: # %bb.0:
; CHECK-IMP-NEXT: ret
ret void
}
; RUN: not llc -mtriple=riscv32 -target-abi ilp32e < %s 2>&1 \
; RUN: | FileCheck -check-prefix=CHECK-UNIMP %s
; CHECK-UNIMP: LLVM ERROR: Don't know how to lower this ABI