llvm-project/llvm/test/CodeGen/Thumb2/thumb2-select_xform.ll

40 lines
980 B
LLVM

; 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
}