; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=m68k-linux -verify-machineinstrs | FileCheck %s ;; TODO All these can be improved define zeroext i16 @t1(i16 zeroext %x) nounwind readnone ssp { ; CHECK-LABEL: t1: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: move.w (6,%sp), %d0 ; CHECK-NEXT: and.l #65535, %d0 ; CHECK-NEXT: sub.l #26, %d0 ; CHECK-NEXT: shi %d0 ; CHECK-NEXT: and.l #255, %d0 ; CHECK-NEXT: lsl.l #5, %d0 ; CHECK-NEXT: rts entry: %0 = icmp ugt i16 %x, 26 ; <i1> [#uses=1] %iftmp.1.0 = select i1 %0, i16 32, i16 0 ; <i16> [#uses=1] ret i16 %iftmp.1.0 } define zeroext i16 @t2(i16 zeroext %x) nounwind readnone ssp { ; CHECK-LABEL: t2: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: move.w (6,%sp), %d0 ; CHECK-NEXT: and.l #65535, %d0 ; CHECK-NEXT: sub.l #26, %d0 ; CHECK-NEXT: scs %d0 ; CHECK-NEXT: and.l #255, %d0 ; CHECK-NEXT: lsl.l #5, %d0 ; CHECK-NEXT: rts entry: %0 = icmp ult i16 %x, 26 ; <i1> [#uses=1] %iftmp.0.0 = select i1 %0, i16 32, i16 0 ; <i16> [#uses=1] ret i16 %iftmp.0.0 } define fastcc i64 @t3(i64 %x) nounwind readnone ssp { ; CHECK-LABEL: t3: ; CHECK: ; %bb.0: ; %entry ; CHECK-NEXT: suba.l #4, %sp ; CHECK-NEXT: movem.l %d2, (0,%sp) ; 8-byte Folded Spill ; CHECK-NEXT: move.l #0, %d2 ; CHECK-NEXT: sub.l #18, %d1 ; CHECK-NEXT: subx.l %d2, %d0 ; CHECK-NEXT: scs %d0 ; CHECK-NEXT: move.l %d0, %d1 ; CHECK-NEXT: and.l #255, %d1 ; CHECK-NEXT: lsl.l #6, %d1 ; CHECK-NEXT: move.l %d2, %d0 ; CHECK-NEXT: movem.l (0,%sp), %d2 ; 8-byte Folded Reload ; CHECK-NEXT: adda.l #4, %sp ; CHECK-NEXT: rts entry: %0 = icmp ult i64 %x, 18 ; <i1> [#uses=1] %iftmp.2.0 = select i1 %0, i64 64, i64 0 ; <i64> [#uses=1] ret i64 %iftmp.2.0 } define i8 @t5(i32 %a) { ; CHECK-LABEL: t5: ; CHECK: .cfi_startproc ; CHECK-NEXT: ; %bb.0: ; %entry ; CHECK-NEXT: move.l #31, %d1 ; CHECK-NEXT: move.l (4,%sp), %d0 ; CHECK-NEXT: lsr.l %d1, %d0 ; CHECK-NEXT: eori.b #1, %d0 ; CHECK-NEXT: ; kill: def $bd0 killed $bd0 killed $d0 ; CHECK-NEXT: rts entry: %.lobit = lshr i32 %a, 31 %trunc = trunc i32 %.lobit to i8 %.not = xor i8 %trunc, 1 ret i8 %.not } ; ; TODO: Should it be like this? ; cmp.l ; smi ; since we are intereseted in sign bit only ; and.l in the end is superfluous define zeroext i1 @t6(i32 %a) { ; CHECK-LABEL: t6: ; CHECK: .cfi_startproc ; CHECK-NEXT: ; %bb.0: ; %entry ; CHECK-NEXT: move.l #31, %d0 ; CHECK-NEXT: move.l (4,%sp), %d1 ; CHECK-NEXT: lsr.l %d0, %d1 ; CHECK-NEXT: eori.b #1, %d1 ; CHECK-NEXT: move.l %d1, %d0 ; CHECK-NEXT: and.l #255, %d0 ; CHECK-NEXT: rts entry: %.lobit = lshr i32 %a, 31 %trunc = trunc i32 %.lobit to i1 %.not = xor i1 %trunc, 1 ret i1 %.not }