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llvm-mirror/test/CodeGen/Thumb2/thumb2-cmp2.ll

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; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s
; These tests would be improved by 'movs r0, #0' being rematerialized below the
; test as 'mov.w r0, #0'.
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define i1 @f1(i32 %a, i32 %b) {
; CHECK: f1:
; CHECK: cmp {{.*}}, r1
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%tmp = icmp ne i32 %a, %b
ret i1 %tmp
}
define i1 @f2(i32 %a, i32 %b) {
; CHECK: f2:
; CHECK: cmp {{.*}}, r1
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%tmp = icmp eq i32 %a, %b
ret i1 %tmp
}
define i1 @f6(i32 %a, i32 %b) {
; CHECK: f6:
; CHECK: cmp.w {{.*}}, r1, lsl #5
%tmp = shl i32 %b, 5
%tmp1 = icmp eq i32 %tmp, %a
ret i1 %tmp1
}
define i1 @f7(i32 %a, i32 %b) {
; CHECK: f7:
; CHECK: cmp.w {{.*}}, r1, lsr #6
%tmp = lshr i32 %b, 6
%tmp1 = icmp ne i32 %tmp, %a
ret i1 %tmp1
}
define i1 @f8(i32 %a, i32 %b) {
; CHECK: f8:
; CHECK: cmp.w {{.*}}, r1, asr #7
%tmp = ashr i32 %b, 7
%tmp1 = icmp eq i32 %a, %tmp
ret i1 %tmp1
}
define i1 @f9(i32 %a, i32 %b) {
; CHECK: f9:
; CHECK: cmp.w {{.*}}, {{.*}}, ror #8
%l8 = shl i32 %a, 24
%r8 = lshr i32 %a, 8
%tmp = or i32 %l8, %r8
%tmp1 = icmp ne i32 %a, %tmp
ret i1 %tmp1
}