Files
clang-p2996/llvm/test/CodeGen/AArch64/GlobalISel/gisel-commandline-option-fastisel.ll
Matt Arsenault 9cac4e6d14 Rename ExpandISelPseudo->FinalizeISel, delay register reservation
This allows targets to make more decisions about reserved registers
after isel. For example, now it should be certain there are calls or
stack objects in the frame or not, which could have been introduced by
legalization.

Patch by Matthias Braun

llvm-svn: 363757
2019-06-19 00:25:39 +00:00

36 lines
1.3 KiB
LLVM

; REQUIRES: asserts
; RUN: llc -mtriple=aarch64-- -debug-pass=Structure %s -o /dev/null 2>&1 \
; RUN: -verify-machineinstrs=0 -O0 -global-isel=false -debug-only=isel \
; RUN: | FileCheck %s --check-prefixes=DISABLED,FASTISEL
; RUN: llc -mtriple=aarch64-- -debug-pass=Structure %s -o /dev/null 2>&1 \
; RUN: -verify-machineinstrs=0 -O1 -global-isel=false -debug-only=isel \
; RUN: | FileCheck %s --check-prefixes=DISABLED,NOFASTISEL
; RUN: llc -mtriple=aarch64-- -debug-pass=Structure %s -o /dev/null 2>&1 \
; RUN: -verify-machineinstrs=0 -O0 -fast-isel=false -global-isel=false \
; RUN: -debug-only=isel \
; RUN: | FileCheck %s --check-prefixes=DISABLED,NOFASTISEL
; RUN: llc -mtriple=aarch64-- -debug-pass=Structure %s -o /dev/null 2>&1 \
; RUN: -verify-machineinstrs=0 -O1 -fast-isel=false -global-isel=false \
; RUN: -debug-only=isel \
; RUN: | FileCheck %s --check-prefixes=DISABLED,NOFASTISEL
; Check that the right instruction selector is chosen when using
; -global-isel=false. FastISel should be used at -O0 (unless -fast-isel=false is
; also present) and SelectionDAG otherwise.
; DISABLED-NOT: IRTranslator
; DISABLED: AArch64 Instruction Selection
; DISABLED: Finalize ISel and expand pseudo-instructions
; FASTISEL: Enabling fast-isel
; NOFASTISEL-NOT: Enabling fast-isel
define void @empty() {
ret void
}