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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85673 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jim Grosbach 2009-10-31 19:06:53 +00:00
parent 58c4723662
commit 4a26092248
1 changed files with 9 additions and 5 deletions
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14
test/CodeGen/ARM/long_shift.ll
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@ -1,10 +1,8 @@
; RUN: llc < %s -march=arm > %t
; RUN: grep rrx %t | count 1
; RUN: grep __ashldi3 %t
; RUN: grep __ashrdi3 %t
; RUN: grep __lshrdi3 %t
; RUN: llc < %s -march=arm | FileCheck %s
define i64 @f0(i64 %A, i64 %B) {
; CHECK: f0
; CHECK rrx
%tmp = bitcast i64 %A to i64
%tmp2 = lshr i64 %B, 1
%tmp3 = sub i64 %tmp, %tmp2
@ -12,18 +10,24 @@ define i64 @f0(i64 %A, i64 %B) {
}
define i32 @f1(i64 %x, i64 %y) {
; CHECK: f1
; CHECK: __ashldi3
%a = shl i64 %x, %y
%b = trunc i64 %a to i32
ret i32 %b
}
define i32 @f2(i64 %x, i64 %y) {
; CHECK: f2
; CHECK: __ashrdi3
%a = ashr i64 %x, %y
%b = trunc i64 %a to i32
ret i32 %b
}
define i32 @f3(i64 %x, i64 %y) {
; CHECK: f3
; CHECK: __lshrdi3
%a = lshr i64 %x, %y
%b = trunc i64 %a to i32
ret i32 %b