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gerrit-public.fairphone.software / toolchain / llvm-project / c6ae7b4763f6b12602f116cb15c5d19c628e2c21 / . / llvm / test / CodeGen / Thumb2 / thumb2-teq2.ll
blob: 3b4970b87844d51974eb83437d3f0b4a182b7205 [file] [log] [blame]
Saleem Abdulrasool905b6d192014-04-03 23:47:24 +0000[diff] [blame]1; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
Jakob Stoklund Olesend7fd7bf2011-05-04 19:02:07 +0000[diff] [blame]2
Jakob Stoklund Olesen589c6eb2012-05-17 23:44:19 +0000[diff] [blame]3; These tests would be improved by 'movs r0, #0' being rematerialized below the
4; tst as 'mov.w r0, #0'.
David Goodwin76b37952009-06-29 22:49:42 +0000[diff] [blame]5
David Goodwin76b37952009-06-29 22:49:42 +0000[diff] [blame]6define i1 @f2(i32 %a, i32 %b) {
Jim Grosbach9b32e222009-11-16 20:04:15 +0000[diff] [blame]7; CHECK: f2
Jakob Stoklund Olesen589c6eb2012-05-17 23:44:19 +0000[diff] [blame]8; CHECK: teq.w {{.*}}, r1
David Goodwin76b37952009-06-29 22:49:42 +0000[diff] [blame]9 %tmp = xor i32 %a, %b
10 %tmp1 = icmp eq i32 %tmp, 0
11 ret i1 %tmp1
12}
13
David Goodwin76b37952009-06-29 22:49:42 +0000[diff] [blame]14define i1 @f4(i32 %a, i32 %b) {
Jim Grosbach9b32e222009-11-16 20:04:15 +0000[diff] [blame]15; CHECK: f4
Jakob Stoklund Olesen589c6eb2012-05-17 23:44:19 +0000[diff] [blame]16; CHECK: teq.w {{.*}}, r1
David Goodwin76b37952009-06-29 22:49:42 +0000[diff] [blame]17 %tmp = xor i32 %a, %b
18 %tmp1 = icmp eq i32 0, %tmp
19 ret i1 %tmp1
20}
David Goodwin17512662009-06-30 01:02:20 +0000[diff] [blame]21
22define i1 @f6(i32 %a, i32 %b) {
Jim Grosbach9b32e222009-11-16 20:04:15 +0000[diff] [blame]23; CHECK: f6
Jakob Stoklund Olesen589c6eb2012-05-17 23:44:19 +0000[diff] [blame]24; CHECK: teq.w {{.*}}, r1, lsl #5
David Goodwin17512662009-06-30 01:02:20 +0000[diff] [blame]25 %tmp = shl i32 %b, 5
26 %tmp1 = xor i32 %a, %tmp
27 %tmp2 = icmp eq i32 %tmp1, 0
28 ret i1 %tmp2
29}
30
31define i1 @f7(i32 %a, i32 %b) {
Jim Grosbach9b32e222009-11-16 20:04:15 +0000[diff] [blame]32; CHECK: f7
Jakob Stoklund Olesen589c6eb2012-05-17 23:44:19 +0000[diff] [blame]33; CHECK: teq.w {{.*}}, r1, lsr #6
David Goodwin17512662009-06-30 01:02:20 +0000[diff] [blame]34 %tmp = lshr i32 %b, 6
35 %tmp1 = xor i32 %a, %tmp
36 %tmp2 = icmp eq i32 %tmp1, 0
37 ret i1 %tmp2
38}
39
40define i1 @f8(i32 %a, i32 %b) {
Jim Grosbach9b32e222009-11-16 20:04:15 +0000[diff] [blame]41; CHECK: f8
Jakob Stoklund Olesen589c6eb2012-05-17 23:44:19 +0000[diff] [blame]42; CHECK: teq.w {{.*}}, r1, asr #7
David Goodwin17512662009-06-30 01:02:20 +0000[diff] [blame]43 %tmp = ashr i32 %b, 7
44 %tmp1 = xor i32 %a, %tmp
45 %tmp2 = icmp eq i32 %tmp1, 0
46 ret i1 %tmp2
47}
48
49define i1 @f9(i32 %a, i32 %b) {
Jim Grosbach9b32e222009-11-16 20:04:15 +0000[diff] [blame]50; CHECK: f9
Jakob Stoklund Olesen589c6eb2012-05-17 23:44:19 +0000[diff] [blame]51; CHECK: teq.w {{.*}}, {{.*}}, ror #8
David Goodwin17512662009-06-30 01:02:20 +0000[diff] [blame]52 %l8 = shl i32 %a, 24
53 %r8 = lshr i32 %a, 8
54 %tmp = or i32 %l8, %r8
55 %tmp1 = xor i32 %a, %tmp
56 %tmp2 = icmp eq i32 %tmp1, 0
57 ret i1 %tmp2
58}