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llvm-mirror/test/CodeGen/RISCV/align.ll
Shiva Chen 392e36367a [RISCV] Change function alignment to 4 bytes, and 2 bytes for RVC
Summary:

According RISC-V ELF psABI specification, base RV32 and RV64 ISAs only
allow 32-bit instruction alignment, but instruction allow to be aligned
to 16-bit boundaries for C-extension.

So we just align to 4 bytes and 2 bytes for C-extension is enough.

Reviewers: asb, apazos

Differential Revision: https://reviews.llvm.org/D45560

Patch by Kito Cheng.

llvm-svn: 329899
2018-04-12 11:30:59 +00:00

14 lines
318 B
LLVM

; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
; RUN: | FileCheck %s -check-prefix=RV32I
; RUN: llc -mtriple=riscv32 -mattr=+c -verify-machineinstrs < %s \
; RUN: | FileCheck %s -check-prefix=RV32C
define void @foo() {
;RV32I: .p2align 2
;RV32I: foo:
;RV32C: .p2align 1
;RV32C: foo:
entry:
ret void
}