diff options
Diffstat (limited to 'test/CodeGen/ARM/select_xform.ll')
-rw-r--r-- | test/CodeGen/ARM/select_xform.ll | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/select_xform.ll b/test/CodeGen/ARM/select_xform.ll index ca2e18a..d98d7a6 100644 --- a/test/CodeGen/ARM/select_xform.ll +++ b/test/CodeGen/ARM/select_xform.ll @@ -104,3 +104,63 @@ entry: ret i32 %tmp3 } +; Fold ORRri into movcc. +define i32 @t8(i32 %a, i32 %b) nounwind { +; ARM: t8: +; ARM: cmp r0, r1 +; ARM: orrge r0, r1, #1 + +; T2: t8: +; T2: cmp r0, r1 +; T2: orrge r0, r1, #1 + %x = or i32 %b, 1 + %cond = icmp slt i32 %a, %b + %tmp1 = select i1 %cond, i32 %a, i32 %x + ret i32 %tmp1 +} + +; Fold ANDrr into movcc. +define i32 @t9(i32 %a, i32 %b, i32 %c) nounwind { +; ARM: t9: +; ARM: cmp r0, r1 +; ARM: andge r0, r1, r2 + +; T2: t9: +; T2: cmp r0, r1 +; T2: andge.w r0, r1, r2 + %x = and i32 %b, %c + %cond = icmp slt i32 %a, %b + %tmp1 = select i1 %cond, i32 %a, i32 %x + ret i32 %tmp1 +} + +; Fold EORrs into movcc. +define i32 @t10(i32 %a, i32 %b, i32 %c, i32 %d) nounwind { +; ARM: t10: +; ARM: cmp r0, r1 +; ARM: eorge r0, r1, r2, lsl #7 + +; T2: t10: +; T2: cmp r0, r1 +; T2: eorge.w r0, r1, r2, lsl #7 + %s = shl i32 %c, 7 + %x = xor i32 %b, %s + %cond = icmp slt i32 %a, %b + %tmp1 = select i1 %cond, i32 %a, i32 %x + ret i32 %tmp1 +} + +; Fold ORRri into movcc, reversing the condition. +define i32 @t11(i32 %a, i32 %b) nounwind { +; ARM: t11: +; ARM: cmp r0, r1 +; ARM: orrlt r0, r1, #1 + +; T2: t11: +; T2: cmp r0, r1 +; T2: orrlt r0, r1, #1 + %x = or i32 %b, 1 + %cond = icmp slt i32 %a, %b + %tmp1 = select i1 %cond, i32 %x, i32 %a + ret i32 %tmp1 +} |