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Differential D111497 Diff 378465 llvm/test/CodeGen/M68k/Arith/bitwise.ll

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llvm/test/CodeGen/M68k/Arith/bitwise.ll

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; CHECK-LABEL: eoril: ; CHECK-LABEL: eoril:
; CHECK: ; %bb.0: ; CHECK: ; %bb.0:
; CHECK-NEXT: move.l (4,%sp), %d0 ; CHECK-NEXT: move.l (4,%sp), %d0
; CHECK-NEXT: eori.l #305419896, %d0 ; CHECK-NEXT: eori.l #305419896, %d0
; CHECK-NEXT: rts ; CHECK-NEXT: rts
%1 = xor i32 %a, 305419896 %1 = xor i32 %a, 305419896
ret i32 %1 ret i32 %1
} }
define i64 @lshr64(i64 %a, i64 %b) nounwind {
; CHECK-LABEL: lshr64:
jrtc27Unsubmitted
Not Done
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Regenerate the CHECK lines

jrtc27: Regenerate the CHECK lines
AnnikaCodesUnsubmitted
Not Done
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OK.

AnnikaCodes: OK.
; CHECK: ; %bb.0:
; CHECK-NEXT: suba.l #12, %sp
; CHECK-NEXT: move.l (28,%sp), (8,%sp)
; CHECK-NEXT: move.l (20,%sp), (4,%sp)
; CHECK-NEXT: move.l (16,%sp), (%sp)
; CHECK-NEXT: jsr __lshrdi3@PLT
jrtc27Unsubmitted
Not Done
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Hm now why is this being turned into a libcall, I'd expect Expand to inline it. RISC-V has custom lowering you could copy, but that lowering looks pretty generic (just turn XLEN into the width of the first operand).

jrtc27: Hm now why is this being turned into a libcall, I'd expect Expand to inline it. RISC-V has…
AnnikaCodesUnsubmitted
Done
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Yeah, the custom lowering does away with the call.

AnnikaCodes: Yeah, the custom lowering does away with the call.
; CHECK-NEXT: adda.l #12, %sp
; CHECK-NEXT: rts
%1 = lshr i64 %a, %b
ret i64 %1
}
define i64 @ashr64(i64 %a, i64 %b) nounwind {
; CHECK-LABEL: ashr64:
; CHECK: ; %bb.0:
; CHECK-NEXT: suba.l #12, %sp
; CHECK-NEXT: move.l (28,%sp), (8,%sp)
; CHECK-NEXT: move.l (20,%sp), (4,%sp)
; CHECK-NEXT: move.l (16,%sp), (%sp)
; CHECK-NEXT: jsr __ashrdi3@PLT
; CHECK-NEXT: adda.l #12, %sp
; CHECK-NEXT: rts
%1 = ashr i64 %a, %b
ret i64 %1
}
define i64 @shl64(i64 %a, i64 %b) nounwind {
; CHECK-LABEL: shl64:
; CHECK: ; %bb.0:
; CHECK-NEXT: suba.l #12, %sp
; CHECK-NEXT: move.l (28,%sp), (8,%sp)
; CHECK-NEXT: move.l (20,%sp), (4,%sp)
; CHECK-NEXT: move.l (16,%sp), (%sp)
; CHECK-NEXT: jsr __ashldi3@PLT
; CHECK-NEXT: adda.l #12, %sp
; CHECK-NEXT: rts
%1 = shl i64 %a, %b
ret i64 %1
}