diff options
Diffstat (limited to 'llvm/test/CodeGen/ARM/select_xform.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/select_xform.ll | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/llvm/test/CodeGen/ARM/select_xform.ll b/llvm/test/CodeGen/ARM/select_xform.ll index d98d7a628e2..26f7cb68901 100644 --- a/llvm/test/CodeGen/ARM/select_xform.ll +++ b/llvm/test/CodeGen/ARM/select_xform.ll @@ -4,13 +4,13 @@ define i32 @t1(i32 %a, i32 %b, i32 %c) nounwind { ; ARM: t1: -; ARM: sub r0, r1, #-2147483647 -; ARM: movgt r0, r1 +; ARM: suble r1, r1, #-2147483647 +; ARM: mov r0, r1 ; T2: t1: ; T2: mvn r0, #-2147483648 -; T2: add r0, r1 -; T2: movgt r0, r1 +; T2: addle.w r1, r1 +; T2: mov r0, r1 %tmp1 = icmp sgt i32 %c, 10 %tmp2 = select i1 %tmp1, i32 0, i32 2147483647 %tmp3 = add i32 %tmp2, %b @@ -19,12 +19,12 @@ define i32 @t1(i32 %a, i32 %b, i32 %c) nounwind { define i32 @t2(i32 %a, i32 %b, i32 %c, i32 %d) nounwind { ; ARM: t2: -; ARM: sub r0, r1, #10 -; ARM: movgt r0, r1 +; ARM: suble r1, r1, #10 +; ARM: mov r0, r1 ; T2: t2: -; T2: sub.w r0, r1, #10 -; T2: movgt r0, r1 +; T2: suble.w r1, r1, #10 +; T2: mov r0, r1 %tmp1 = icmp sgt i32 %c, 10 %tmp2 = select i1 %tmp1, i32 0, i32 10 %tmp3 = sub i32 %b, %tmp2 @@ -164,3 +164,18 @@ define i32 @t11(i32 %a, i32 %b) nounwind { %tmp1 = select i1 %cond, i32 %x, i32 %a ret i32 %tmp1 } + +; Fold ADDri12 into movcc +define i32 @t12(i32 %a, i32 %b) nounwind { +; ARM: t12: +; ARM: cmp r0, r1 +; ARM: addge r0, r1, + +; T2: t12: +; T2: cmp r0, r1 +; T2: addwge r0, r1, #3000 + %x = add i32 %b, 3000 + %cond = icmp slt i32 %a, %b + %tmp1 = select i1 %cond, i32 %a, i32 %x + ret i32 %tmp1 +} |
