mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2025-01-31 20:51:52 +01:00
23c462a8b5
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
44 lines
1.1 KiB
LLVM
44 lines
1.1 KiB
LLVM
; RUN: llc -O0 -fast-isel -fast-isel-abort=1 -verify-machineinstrs -mtriple=arm64-apple-darwin < %s | FileCheck %s
|
|
; RUN: llc %s -O0 -fast-isel -fast-isel-abort=1 -mtriple=arm64-apple-darwin -print-after=finalize-isel -o /dev/null 2> %t
|
|
; RUN: FileCheck %s < %t --check-prefix=CHECK-SSA
|
|
|
|
; CHECK-SSA-LABEL: Machine code for function t1
|
|
|
|
; CHECK-SSA: [[QUOTREG:%[0-9]+]]:gpr32 = SDIVWr
|
|
; CHECK-SSA-NOT: [[QUOTREG]] =
|
|
; CHECK-SSA: {{%[0-9]+}}:gpr32 = MSUBWrrr killed [[QUOTREG]]
|
|
|
|
; CHECK-SSA-LABEL: Machine code for function t2
|
|
|
|
define i32 @t1(i32 %a, i32 %b) {
|
|
; CHECK: @t1
|
|
; CHECK: sdiv [[TMP:w[0-9]+]], w0, w1
|
|
; CHECK: msub w0, [[TMP]], w1, w0
|
|
%1 = srem i32 %a, %b
|
|
ret i32 %1
|
|
}
|
|
|
|
define i64 @t2(i64 %a, i64 %b) {
|
|
; CHECK: @t2
|
|
; CHECK: sdiv [[TMP:x[0-9]+]], x0, x1
|
|
; CHECK: msub x0, [[TMP]], x1, x0
|
|
%1 = srem i64 %a, %b
|
|
ret i64 %1
|
|
}
|
|
|
|
define i32 @t3(i32 %a, i32 %b) {
|
|
; CHECK: @t3
|
|
; CHECK: udiv [[TMP:w[0-9]+]], w0, w1
|
|
; CHECK: msub w0, [[TMP]], w1, w0
|
|
%1 = urem i32 %a, %b
|
|
ret i32 %1
|
|
}
|
|
|
|
define i64 @t4(i64 %a, i64 %b) {
|
|
; CHECK: @t4
|
|
; CHECK: udiv [[TMP:x[0-9]+]], x0, x1
|
|
; CHECK: msub x0, [[TMP]], x1, x0
|
|
%1 = urem i64 %a, %b
|
|
ret i64 %1
|
|
}
|