thumb2-select_xform.ll   [plain text]

; RUN: llc < %s -march=thumb -mattr=+thumb2 | FileCheck %s

define i32 @t1(i32 %a, i32 %b, i32 %c) nounwind {
; CHECK: t1
; CHECK: mvn r0, #-2147483648
; CHECK: cmp r2, #10
; CHECK: it  le
; CHECK: addle r1, r0
; CHECK: mov r0, r1
        %tmp1 = icmp sgt i32 %c, 10
        %tmp2 = select i1 %tmp1, i32 0, i32 2147483647
        %tmp3 = add i32 %tmp2, %b
        ret i32 %tmp3
}

define i32 @t2(i32 %a, i32 %b, i32 %c) nounwind {
; CHECK: t2
; CHECK: cmp r2, #10
; CHECK: it  le
; CHECK: addle.w r1, r1, #-2147483648
; CHECK: mov r0, r1

        %tmp1 = icmp sgt i32 %c, 10
        %tmp2 = select i1 %tmp1, i32 0, i32 2147483648
        %tmp3 = add i32 %tmp2, %b
        ret i32 %tmp3
}

define i32 @t3(i32 %a, i32 %b, i32 %c, i32 %d) nounwind {
; CHECK: t3
; CHECK: cmp r2, #10
; CHECK: it  le
; CHECK: suble r1, #10
; CHECK: mov r0, r1
        %tmp1 = icmp sgt i32 %c, 10
        %tmp2 = select i1 %tmp1, i32 0, i32 10
        %tmp3 = sub i32 %b, %tmp2
        ret i32 %tmp3
}