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llvm-mirror/test/CodeGen/RISCV/subtarget-features-std-ext.ll
Zakk Chen e95eb656e4 [RISCV] Support ABI checking with per function target-features
1. if users don't specific -mattr, the default target-feature come
from IR attribute.
2. fixed bug and re-land this patch

Reviewers: lenary, asb

Reviewed By: lenary

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D70837
2020-01-22 08:12:28 -08:00

21 lines
738 B
LLVM

; RUN: llc -mtriple=riscv32 -target-abi ilp32 < %s 2>&1 \
; RUN: | FileCheck -check-prefix=RV32IF-ILP32 %s
; RUN: llc -mtriple=riscv32 -target-abi ilp32f < %s 2>&1 \
; RUN: | FileCheck -check-prefix=RV32IF-ILP32F %s
; RUN: llc -mtriple=riscv32 -mattr=-f -target-abi ilp32f <%s 2>&1 \
; RUN: | FileCheck -check-prefix=RV32I-ILP32F-FAILED %s
; RV32I-ILP32F-FAILED: Hard-float 'f' ABI can't be used for a target that doesn't support the F instruction set extension
define float @foo(i32 %a) nounwind #0 {
; RV32IF-ILP32: fcvt.s.w ft0, a0
; RV32IF-ILP32-NEXT: fmv.x.w a0, ft0
; RV32IF-ILP32F: fcvt.s.w fa0, a0
; RV32IF-ILP32F-NEXT: ret
%conv = sitofp i32 %a to float
ret float %conv
}
attributes #0 = { "target-features"="+f"}