[RISCV] Update computeTargetABI from llc as well as clang

Clang computes the default ABI if -mabi is empty
and encode it in LLVM IR module flag since D105555.
For correctness, llc need to give the same target-abi
(Options.MCOptions.ABIName) with ABI encoded in IR.
The getSubtargetImpl already has a check for them only if
Options.MCOptions.ABIName is not empty.

In order to get more robustness we could have a check for
explicit ABI, but now we have two different logic to
compute the default ABI.

The front-end ABI is defautl to the ilp32/ilp32e/lp64, and
ilp32d/lp64d when hardware support for extension D.
The backend ABI is default to the ilp32/ilp32e/lp64.

Reviewed by: asb, jrtc27

Differential Revision: https://reviews.llvm.org/D118333
This commit is contained in:
Zakk Chen 2022-02-24 19:04:24 -08:00
parent 904a00d17a
commit 4e115b7d88
18 changed files with 52 additions and 53 deletions

View File

@ -62,15 +62,11 @@ ABI computeTargetABI(const Triple &TT, FeatureBitset FeatureBits,
if (TargetABI != ABI_Unknown)
return TargetABI;
// For now, default to the ilp32/ilp32e/lp64 ABI if no explicit ABI is given
// or an invalid/unrecognised string is given. In the future, it might be
// worth changing this to default to ilp32f/lp64f and ilp32d/lp64d when
// hardware support for floating point is present.
if (IsRV32E)
return ABI_ILP32E;
if (IsRV64)
return ABI_LP64;
return ABI_ILP32;
// If no explicit ABI is given, try to compute the default ABI.
auto ISAInfo = RISCVFeatures::parseFeatureBits(IsRV64, FeatureBits);
if (!ISAInfo)
report_fatal_error(ISAInfo.takeError());
return getTargetABI((*ISAInfo)->computeDefaultABI());
}
ABI getTargetABI(StringRef ABIName) {

View File

@ -1,7 +1,7 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+d -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck %s -check-prefix=ILP32
; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -mattr=+d -target-abi=lp64 -verify-machineinstrs< %s \
; RUN: | FileCheck %s -check-prefix=LP64
; RUN: llc -mtriple=riscv32 -mattr=+d -target-abi ilp32d -verify-machineinstrs < %s \
; RUN: | FileCheck %s -check-prefix=ILP32D

View File

@ -1,11 +1,11 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32I %s
; RUN: llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -target-abi=ilp32 -mattr=+d -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32IFD %s
; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64I %s
; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -target-abi=lp64 -mattr=+d -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64IFD %s
;
; This file tests cases where simple floating point operations can be

View File

@ -1,5 +1,5 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+d -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32IFD %s
; Basic correctness checks for calling convention lowering for RV32D. This can

View File

@ -1,5 +1,5 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+d -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32IFD %s
define double @test(double %a) nounwind {

View File

@ -1,7 +1,7 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+d -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32IFD %s
; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -mattr=+d -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64IFD %s
define double @func(double %d, i32 %n) nounwind {

View File

@ -1,5 +1,5 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+f,+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+f,+d -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck %s
define fastcc float @callee(<32 x float> %A) nounwind {

View File

@ -1,11 +1,11 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+f -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+f -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32F %s
; RUN: llc -mtriple=riscv32 -mattr=+f,+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+f,+d -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32FD %s
; RUN: llc -mtriple=riscv64 -mattr=+f -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -mattr=+f -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64F %s
; RUN: llc -mtriple=riscv64 -mattr=+f,+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -mattr=+f,+d -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64FD %s
; These functions perform extra work to ensure that `%a3` starts in a

View File

@ -1,14 +1,14 @@
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32I %s
; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64I %s
; RUN: llc -mtriple=riscv32 -mattr=+f -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+f -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32I %s
; RUN: llc -mtriple=riscv64 -mattr=+f -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -mattr=+f -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64I %s
; RUN: llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+d -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32I %s
; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -mattr=+d -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64I %s
; RUN: llc -mtriple=riscv32 -mattr=+f -target-abi ilp32f -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32IF %s

View File

@ -1,7 +1,7 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+d -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32F %s
; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -mattr=+d -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64F %s
@gd = external global double

View File

@ -1,11 +1,12 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+f -verify-machineinstrs < %s \
; NOTE: Assertions gave been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+f -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32F %s
; RUN: llc -mtriple=riscv64 -mattr=+f -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -mattr=+f -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64F %s
; RUN: llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+d -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32F %s
; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -mattr=+d -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64F %s
@gf = external global float

View File

@ -1,4 +1,5 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: not --crash llc -mtriple=riscv64 -mattr=+e < %s 2>&1 \
; RUN: | FileCheck -check-prefix=RV64E %s
; RV64E: LLVM ERROR: RV32E can't be enabled for an RV64 target
; RV64E: LLVM ERROR: standard user-level extension 'e' requires 'rv32'

View File

@ -1,5 +1,6 @@
# NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
# RUN: llc -mtriple riscv64 -mattr=+v -start-before=prologepilog -o - \
# NOTE: Assertions gave been autogenerated by utils/update_llc_test_checks.py
# RUN: llc -mtriple riscv64 -mattr=+v -target-abi=lp64 -start-before=prologepilog -o - \
# RUN: -verify-machineinstrs %s | FileCheck %s
--- |
target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128"

View File

@ -1,5 +1,5 @@
# NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
# RUN: llc -mtriple riscv64 -mattr=+m,+v -start-before=prologepilog -o - \
# RUN: llc -mtriple riscv64 -mattr=+m,+v -target-abi=lp64 -start-before=prologepilog -o - \
# RUN: -verify-machineinstrs %s | FileCheck %s
--- |
target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n64-S128"

View File

@ -1,19 +1,19 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32I %s
; RUN: llc -mtriple=riscv32 -mattr=+f -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+f -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32IF %s
; RUN: llc -mtriple=riscv32 -mattr=+experimental-zbt -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+experimental-zbt -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32IBT %s
; RUN: llc -mtriple=riscv32 -mattr=+f,+experimental-zbt -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+f,+experimental-zbt -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32IFBT %s
; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64I %s
; RUN: llc -mtriple=riscv64 -mattr=+f,+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -mattr=+f,+d -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64IFD %s
; RUN: llc -mtriple=riscv64 -mattr=+experimental-zbt -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -mattr=+experimental-zbt -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64IBT %s
; RUN: llc -mtriple=riscv64 -mattr=+f,+d,+experimental-zbt -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -mattr=+f,+d,+experimental-zbt -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64IFDBT %s
;; This tests how good we are at materialising constants using `select`. The aim

View File

@ -1,11 +1,11 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+d -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck %s -check-prefix=RV32I
; RUN: llc -mtriple=riscv32 -mattr=+d,+experimental-zbt -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv32 -mattr=+d,+experimental-zbt -target-abi=ilp32 -verify-machineinstrs < %s \
; RUN: | FileCheck %s -check-prefix=RV32IBT
; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -mattr=+d -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck %s -check-prefix=RV64I
; RUN: llc -mtriple=riscv64 -mattr=+d,+experimental-zbt -verify-machineinstrs < %s \
; RUN: llc -mtriple=riscv64 -mattr=+d,+experimental-zbt -target-abi=lp64 -verify-machineinstrs < %s \
; RUN: | FileCheck %s -check-prefix=RV64IBT
; Selects of wide values are split into two selects, which can easily cause

View File

@ -1,5 +1,5 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv64 -mattr=+v,+d,+zfh \
; RUN: llc -mtriple=riscv64 -mattr=+v,+d,+zfh -target-abi=lp64 \
; RUN: -verify-machineinstrs < %s \
; RUN: | FileCheck %s

View File

@ -1,4 +1,4 @@
# RUN: not --crash llvm-mc -triple riscv64 -mattr=+e < %s 2>&1 \
# RUN: | FileCheck %s -check-prefix=RV64E
# RV64E: LLVM ERROR: RV32E can't be enabled for an RV64 target
# RV64E: LLVM ERROR: standard user-level extension 'e' requires 'rv32'