blob: 628c0795d81a1df5fa82eb56d449da882e64def7 [file] [log] [blame]
Dan Gohmanfce288f2009-09-09 00:09:15 +00001; RUN: llc < %s -march=arm -mattr=+v6 | grep uxtb | count 1
2; RUN: llc < %s -march=arm -mattr=+v6 | grep uxtab | count 1
3; RUN: llc < %s -march=arm -mattr=+v6 | grep uxth | count 1
Evan Cheng02b985c2007-01-19 09:20:23 +00004
Chris Lattner26b00002011-06-17 03:14:27 +00005define zeroext i8 @test1(i32 %A.u) {
Evan Cheng02b985c2007-01-19 09:20:23 +00006 %B.u = trunc i32 %A.u to i8
7 ret i8 %B.u
8}
9
Chris Lattner26b00002011-06-17 03:14:27 +000010define zeroext i32 @test2(i32 %A.u, i32 %B.u) {
Evan Cheng02b985c2007-01-19 09:20:23 +000011 %C.u = trunc i32 %B.u to i8
12 %D.u = zext i8 %C.u to i32
13 %E.u = add i32 %A.u, %D.u
14 ret i32 %E.u
15}
16
Chris Lattner26b00002011-06-17 03:14:27 +000017define zeroext i32 @test3(i32 %A.u) {
Reid Spencer832254e2007-02-02 02:16:23 +000018 %B.u = lshr i32 %A.u, 8
19 %C.u = shl i32 %A.u, 24
Evan Cheng02b985c2007-01-19 09:20:23 +000020 %D.u = or i32 %B.u, %C.u
21 %E.u = trunc i32 %D.u to i16
22 %F.u = zext i16 %E.u to i32
23 ret i32 %F.u
24}