| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=arm-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-LE |
| ; RUN: llc -mtriple=armeb-eabi %s -o - | FileCheck %s -check-prefix=CHECK -check-prefix=CHECK-BE |
| |
| define i64 @f0(i64 %A, i64 %B) { |
| ; CHECK-LE-LABEL: f0: |
| ; CHECK-LE: @ %bb.0: |
| ; CHECK-LE-NEXT: lsrs r3, r3, #1 |
| ; CHECK-LE-NEXT: rrx r2, r2 |
| ; CHECK-LE-NEXT: subs r0, r0, r2 |
| ; CHECK-LE-NEXT: sbc r1, r1, r3 |
| ; CHECK-LE-NEXT: mov pc, lr |
| ; |
| ; CHECK-BE-LABEL: f0: |
| ; CHECK-BE: @ %bb.0: |
| ; CHECK-BE-NEXT: lsrs r2, r2, #1 |
| ; CHECK-BE-NEXT: rrx r3, r3 |
| ; CHECK-BE-NEXT: subs r1, r1, r3 |
| ; CHECK-BE-NEXT: sbc r0, r0, r2 |
| ; CHECK-BE-NEXT: mov pc, lr |
| |
| %tmp = bitcast i64 %A to i64 |
| %tmp2 = lshr i64 %B, 1 |
| %tmp3 = sub i64 %tmp, %tmp2 |
| ret i64 %tmp3 |
| } |
| |
| define i32 @f1(i64 %x, i64 %y) { |
| ; CHECK-LE-LABEL: f1: |
| ; CHECK-LE: @ %bb.0: |
| ; CHECK-LE-NEXT: lsl r0, r0, r2 |
| ; CHECK-LE-NEXT: subs r1, r2, #32 |
| ; CHECK-LE-NEXT: movpl r0, #0 |
| ; CHECK-LE-NEXT: mov pc, lr |
| ; |
| ; CHECK-BE-LABEL: f1: |
| ; CHECK-BE: @ %bb.0: |
| ; CHECK-BE-NEXT: lsl r0, r1, r3 |
| ; CHECK-BE-NEXT: subs r1, r3, #32 |
| ; CHECK-BE-NEXT: movpl r0, #0 |
| ; CHECK-BE-NEXT: mov pc, lr |
| |
| %a = shl i64 %x, %y |
| %b = trunc i64 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @f2(i64 %x, i64 %y) { |
| ; CHECK-LE-LABEL: f2: |
| ; CHECK-LE: @ %bb.0: |
| ; CHECK-LE-NEXT: rsb r3, r2, #32 |
| ; CHECK-LE-NEXT: lsr r0, r0, r2 |
| ; CHECK-LE-NEXT: subs r2, r2, #32 |
| ; CHECK-LE-NEXT: orr r0, r0, r1, lsl r3 |
| ; CHECK-LE-NEXT: asrpl r0, r1, r2 |
| ; CHECK-LE-NEXT: mov pc, lr |
| ; |
| ; CHECK-BE-LABEL: f2: |
| ; CHECK-BE: @ %bb.0: |
| ; CHECK-BE-NEXT: rsb r2, r3, #32 |
| ; CHECK-BE-NEXT: lsr r1, r1, r3 |
| ; CHECK-BE-NEXT: orr r1, r1, r0, lsl r2 |
| ; CHECK-BE-NEXT: subs r2, r3, #32 |
| ; CHECK-BE-NEXT: asrpl r1, r0, r2 |
| ; CHECK-BE-NEXT: mov r0, r1 |
| ; CHECK-BE-NEXT: mov pc, lr |
| |
| %a = ashr i64 %x, %y |
| %b = trunc i64 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @f3(i64 %x, i64 %y) { |
| ; CHECK-LE-LABEL: f3: |
| ; CHECK-LE: @ %bb.0: |
| ; CHECK-LE-NEXT: rsb r3, r2, #32 |
| ; CHECK-LE-NEXT: lsr r0, r0, r2 |
| ; CHECK-LE-NEXT: subs r2, r2, #32 |
| ; CHECK-LE-NEXT: orr r0, r0, r1, lsl r3 |
| ; CHECK-LE-NEXT: lsrpl r0, r1, r2 |
| ; CHECK-LE-NEXT: mov pc, lr |
| ; |
| ; CHECK-BE-LABEL: f3: |
| ; CHECK-BE: @ %bb.0: |
| ; CHECK-BE-NEXT: rsb r2, r3, #32 |
| ; CHECK-BE-NEXT: lsr r1, r1, r3 |
| ; CHECK-BE-NEXT: orr r1, r1, r0, lsl r2 |
| ; CHECK-BE-NEXT: subs r2, r3, #32 |
| ; CHECK-BE-NEXT: lsrpl r1, r0, r2 |
| ; CHECK-BE-NEXT: mov r0, r1 |
| ; CHECK-BE-NEXT: mov pc, lr |
| |
| %a = lshr i64 %x, %y |
| %b = trunc i64 %a to i32 |
| ret i32 %b |
| } |