2014-04-03 16:01:44 +00:00
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; RUN: llc -mtriple=arm-eabi -mattr=+v6 %s -o - | FileCheck %s
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2007-04-15 19:11:47 +00:00
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2010-08-16 17:05:27 +00:00
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; CHECK: test1
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; CHECK: pkhbt r0, r0, r1, lsl #16
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2008-02-17 20:02:20 +00:00
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define i32 @test1(i32 %X, i32 %Y) {
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2010-10-22 22:01:56 +00:00
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%tmp1 = and i32 %X, 65535
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%tmp4 = shl i32 %Y, 16
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%tmp5 = or i32 %tmp4, %tmp1
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2008-02-17 20:02:20 +00:00
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ret i32 %tmp5
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2007-01-19 09:20:23 +00:00
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}
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2010-08-16 17:05:27 +00:00
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; CHECK: test2
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; CHECK: pkhbt r0, r0, r1, lsl #12
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2008-02-17 20:02:20 +00:00
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define i32 @test2(i32 %X, i32 %Y) {
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2010-10-22 22:01:56 +00:00
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%tmp1 = and i32 %X, 65535
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%tmp3 = shl i32 %Y, 12
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%tmp4 = and i32 %tmp3, -65536
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%tmp57 = or i32 %tmp4, %tmp1
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2008-02-17 20:02:20 +00:00
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ret i32 %tmp57
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2007-01-19 09:20:23 +00:00
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}
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2010-08-16 17:05:27 +00:00
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; CHECK: test3
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; CHECK: pkhbt r0, r0, r1, lsl #18
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2008-02-17 20:02:20 +00:00
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define i32 @test3(i32 %X, i32 %Y) {
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2010-10-22 22:01:56 +00:00
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%tmp19 = and i32 %X, 65535
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%tmp37 = shl i32 %Y, 18
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%tmp5 = or i32 %tmp37, %tmp19
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2008-02-17 20:02:20 +00:00
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ret i32 %tmp5
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2007-01-19 09:20:23 +00:00
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}
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2010-08-16 17:05:27 +00:00
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; CHECK: test4
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2010-08-17 17:23:19 +00:00
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; CHECK: pkhbt r0, r0, r1
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2008-02-17 20:02:20 +00:00
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define i32 @test4(i32 %X, i32 %Y) {
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2010-10-22 22:01:56 +00:00
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%tmp1 = and i32 %X, 65535
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%tmp3 = and i32 %Y, -65536
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%tmp46 = or i32 %tmp3, %tmp1
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2008-02-17 20:02:20 +00:00
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ret i32 %tmp46
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2007-01-19 09:20:23 +00:00
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}
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2010-08-16 17:05:27 +00:00
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; CHECK: test5
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; CHECK: pkhtb r0, r0, r1, asr #16
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2008-02-17 20:02:20 +00:00
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define i32 @test5(i32 %X, i32 %Y) {
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2010-10-22 22:01:56 +00:00
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%tmp17 = and i32 %X, -65536
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%tmp2 = bitcast i32 %Y to i32
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%tmp4 = lshr i32 %tmp2, 16
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%tmp5 = or i32 %tmp4, %tmp17
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2008-02-17 20:02:20 +00:00
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ret i32 %tmp5
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2007-01-19 09:20:23 +00:00
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}
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2010-08-16 17:05:27 +00:00
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; CHECK: test5a
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; CHECK: pkhtb r0, r0, r1, asr #16
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2008-02-17 20:02:20 +00:00
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define i32 @test5a(i32 %X, i32 %Y) {
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2010-10-22 22:01:56 +00:00
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%tmp110 = and i32 %X, -65536
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%tmp37 = lshr i32 %Y, 16
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%tmp39 = bitcast i32 %tmp37 to i32
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%tmp5 = or i32 %tmp39, %tmp110
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2008-02-17 20:02:20 +00:00
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ret i32 %tmp5
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2007-01-19 09:20:23 +00:00
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}
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2010-08-16 17:05:27 +00:00
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; CHECK: test6
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; CHECK: pkhtb r0, r0, r1, asr #12
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2008-02-17 20:02:20 +00:00
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define i32 @test6(i32 %X, i32 %Y) {
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2010-10-22 22:01:56 +00:00
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%tmp1 = and i32 %X, -65536
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%tmp37 = lshr i32 %Y, 12
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%tmp38 = bitcast i32 %tmp37 to i32
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%tmp4 = and i32 %tmp38, 65535
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%tmp59 = or i32 %tmp4, %tmp1
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2008-02-17 20:02:20 +00:00
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ret i32 %tmp59
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2007-01-19 09:20:23 +00:00
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}
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2010-08-16 17:05:27 +00:00
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; CHECK: test7
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; CHECK: pkhtb r0, r0, r1, asr #18
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2008-02-17 20:02:20 +00:00
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define i32 @test7(i32 %X, i32 %Y) {
|
2010-10-22 22:01:56 +00:00
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%tmp1 = and i32 %X, -65536
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%tmp3 = ashr i32 %Y, 18
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%tmp4 = and i32 %tmp3, 65535
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%tmp57 = or i32 %tmp4, %tmp1
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2008-02-17 20:02:20 +00:00
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ret i32 %tmp57
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2007-01-19 09:20:23 +00:00
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}
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2010-08-16 22:26:55 +00:00
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|
2013-07-05 18:28:39 +00:00
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; Arithmetic and logic right shift does not have the same semantics if shifting
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; by more than 16 in this context.
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2010-08-16 22:26:55 +00:00
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; CHECK: test8
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2013-07-05 18:28:39 +00:00
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; CHECK-NOT: pkhtb r0, r0, r1, asr #22
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2010-08-16 22:26:55 +00:00
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define i32 @test8(i32 %X, i32 %Y) {
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%tmp1 = and i32 %X, -65536
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%tmp3 = lshr i32 %Y, 22
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%tmp57 = or i32 %tmp3, %tmp1
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ret i32 %tmp57
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}
|
2013-07-05 18:28:39 +00:00
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|
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|
2013-07-13 20:38:47 +00:00
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|
|
; CHECK-LABEL: test9:
|
2013-07-05 18:28:39 +00:00
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|
|
; CHECK: pkhtb r0, r0, r1, asr #16
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|
|
|
define i32 @test9(i32 %src1, i32 %src2) {
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|
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|
entry:
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|
|
|
%tmp = and i32 %src1, -65536
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|
|
|
%tmp2 = lshr i32 %src2, 16
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|
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|
%tmp3 = or i32 %tmp, %tmp2
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|
|
ret i32 %tmp3
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|
|
|
}
|
2013-07-05 18:57:49 +00:00
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|
|
|
2013-07-13 20:38:47 +00:00
|
|
|
; CHECK-LABEL: test10:
|
2013-07-05 18:57:49 +00:00
|
|
|
; CHECK: pkhtb r0, r0, r1, asr #17
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|
|
|
define i32 @test10(i32 %src1, i32 %src2) {
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|
|
|
entry:
|
|
|
|
%tmp = and i32 %src1, -65536
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|
|
|
%tmp2 = ashr i32 %src2, 17
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|
|
|
%tmp3 = or i32 %tmp, %tmp2
|
|
|
|
ret i32 %tmp3
|
|
|
|
}
|