Do not attempt to use ROR for Thumb1.

Patch by Matt Fischer!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159538 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson
2012-07-02 17:22:47 +00:00
parent 4ccb89c71f
commit ac03af4ea9
2 changed files with 6 additions and 4 deletions

View File

@@ -1,5 +1,5 @@
; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
; RUN: llc < %s -march=thumb | FileCheck %s -check-prefix=THUMB1
; CHECK: f1:
; CHECK: ror.w r0, r0, #22
@@ -13,6 +13,8 @@ define i32 @f1(i32 %a) {
; CHECK: f2:
; CHECK-NOT: and
; CHECK: ror
; THUMB1: f2
; THUMB1: and
define i32 @f2(i32 %v, i32 %nbits) {
entry:
%and = and i32 %nbits, 31
@@ -21,4 +23,4 @@ entry:
%shl = shl i32 %v, %sub
%or = or i32 %shl, %shr
ret i32 %or
}
}