maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

add test vector sdiv 

llvm-svn: 270285
This commit is contained in:
Sanjay Patel 2016-05-20 22:08:40 +00:00
parent 312c9afd90
commit ec4d91a4d7
1 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
llvm/test/Transforms/InstCombine/div.ll
View File

@ -369,6 +369,21 @@ define i32 @test36(i32 %A) {
ret i32 %mul
}
; FIXME: Vector should get same transform as scalar.
define <2 x i32> @test36vec(<2 x i32> %A) {
; CHECK-LABEL: @test36vec(
; CHECK-NEXT: [[AND:%.*]] = and <2 x i32> %A, <i32 2147483647, i32 2147483647>
; CHECK-NEXT: [[SHL:%.*]] = shl nsw <2 x i32> <i32 1, i32 1>, %A
; CHECK-NEXT: [[MUL:%.*]] = sdiv exact <2 x i32> [[AND]], [[SHL]]
; CHECK-NEXT: ret <2 x i32> [[MUL]]
;
%and = and <2 x i32> %A, <i32 2147483647, i32 2147483647>
%shl = shl nsw <2 x i32> <i32 1, i32 1>, %A
%mul = sdiv exact <2 x i32> %and, %shl
ret <2 x i32> %mul
}
define i32 @test37(i32* %b) {
; CHECK-LABEL: @test37(
; CHECK-NEXT: entry: