1 ; RUN: llc -mtriple=thumb-eabi -mcpu=cortex-a8 %s -o - | FileCheck %s --check-prefix=CHECK-DSP
2 ; RUN: llc -mtriple=thumb-eabi -mcpu=cortex-m3 %s -o - | FileCheck %s --check-prefix=CHECK-NO-DSP
3 ; RUN: llc -mtriple=thumbv7em-eabi %s -o - | FileCheck %s -check-prefix=CHECK-DSP
4 ; RUN: llc -mtriple=thumbv8m.main-none-eabi %s -o - | FileCheck %s -check-prefix=CHECK-NO-DSP
5 ; RUN: llc -mtriple=thumbv8m.main-none-eabi -mattr=+dsp %s -o - | FileCheck %s -check-prefix=CHECK-DSP
8 define zeroext i8 @test1(i32 %A.u) {
10 ; CHECK-DSP: uxtb r0, r0
11 ; CHECK-NO-DSP: uxtb r0, r0
12 %B.u = trunc i32 %A.u to i8
16 define zeroext i32 @test2(i32 %A.u, i32 %B.u) {
18 ; CHECK-DSP: uxtab r0, r0, r1
19 ; CHECK-NO-DSP-NOT: uxtab
20 %C.u = trunc i32 %B.u to i8
21 %D.u = zext i8 %C.u to i32
22 %E.u = add i32 %A.u, %D.u
26 define zeroext i32 @test3(i32 %A.u) {
28 ; CHECK-DSP: ubfx r0, r0, #8, #16
29 ; CHECK-NO-DSP: ubfx r0, r0, #8, #16
30 %B.u = lshr i32 %A.u, 8
31 %C.u = shl i32 %A.u, 24
32 %D.u = or i32 %B.u, %C.u
33 %E.u = trunc i32 %D.u to i16
34 %F.u = zext i16 %E.u to i32
38 define i32 @test4(i32 %A, i32 %X) {
40 ; CHECK-DSP: uxtab r0, r0, r1, ror #16
41 ; CHECK-NO-DSP-NOT: uxtab
42 %X.hi = lshr i32 %X, 16
43 %X.trunc = trunc i32 %X.hi to i8
44 %addend = zext i8 %X.trunc to i32
45 %sum = add i32 %A, %addend
49 define i32 @test5(i32 %A, i32 %X) {
51 ; CHECK-DSP: uxtah r0, r0, r1, ror #8
52 ; CHECK-NO-DSP-NOT: uxtah
53 %X.hi = lshr i32 %X, 8
54 %X.trunc = trunc i32 %X.hi to i16
55 %addend = zext i16 %X.trunc to i32
56 %sum = add i32 %A, %addend
60 define i32 @test6(i32 %A, i32 %X) {
62 ; CHECK-DSP: uxtab r0, r0, r1, ror #8
63 ; CHECK-NO-DSP-NOT: uxtab
64 %X.hi = lshr i32 %X, 8
65 %X.trunc = trunc i32 %X.hi to i8
66 %addend = zext i8 %X.trunc to i32
67 %sum = add i32 %A, %addend
71 define i32 @test7(i32 %A, i32 %X) {
73 ; CHECK-DSP: uxtah r0, r0, r1, ror #24
74 ; CHECK-NO-DSP-NOT: uxtah
75 %lshr = lshr i32 %X, 24
77 %or = or i32 %lshr, %shl
78 %trunc = trunc i32 %or to i16
79 %zext = zext i16 %trunc to i32
80 %add = add i32 %A, %zext
84 define i32 @test8(i32 %A, i32 %X) {
86 ; CHECK-DSP: uxtah r0, r0, r1, ror #24
87 ; CHECK-NO-DSP-NOT: uxtah
88 %lshr = lshr i32 %X, 24
90 %or = or i32 %lshr, %shl
91 %and = and i32 %or, 65535
92 %add = add i32 %A, %and