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llvm-mirror/test/CodeGen/Thumb2/thumb2-mvn2.ll

50 lines
953 B
LLVM

; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | FileCheck %s
define i32 @f1(i32 %a) {
; CHECK: f1:
; CHECK: mvns r0, r0
%tmp = xor i32 4294967295, %a
ret i32 %tmp
}
define i32 @f2(i32 %a) {
; CHECK: f2:
; CHECK: mvns r0, r0
%tmp = xor i32 %a, 4294967295
ret i32 %tmp
}
define i32 @f5(i32 %a) {
; CHECK: f5:
; CHECK: mvn.w r0, r0, lsl #5
%tmp = shl i32 %a, 5
%tmp1 = xor i32 %tmp, 4294967295
ret i32 %tmp1
}
define i32 @f6(i32 %a) {
; CHECK: f6:
; CHECK: mvn.w r0, r0, lsr #6
%tmp = lshr i32 %a, 6
%tmp1 = xor i32 %tmp, 4294967295
ret i32 %tmp1
}
define i32 @f7(i32 %a) {
; CHECK: f7:
; CHECK: mvn.w r0, r0, asr #7
%tmp = ashr i32 %a, 7
%tmp1 = xor i32 %tmp, 4294967295
ret i32 %tmp1
}
define i32 @f8(i32 %a) {
; CHECK: f8:
; CHECK: mvn.w r0, r0, ror #8
%l8 = shl i32 %a, 24
%r8 = lshr i32 %a, 8
%tmp = or i32 %l8, %r8
%tmp1 = xor i32 %tmp, 4294967295
ret i32 %tmp1
}