| ; 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-LABEL: f0: |
| ; CHECK-LE: 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-BE: lsrs r2, r2, #1 |
| ; CHECK-BE-NEXT: rrx r3, r3 |
| ; CHECK-BE-NEXT: subs r1, r1, r3 |
| ; CHECK-BE-NEXT: sbc r0, r0, r2 |
| %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-LABEL: f1: |
| ; CHECK-LE: lsl{{.*}}r2 |
| ; CHECK-BE: lsl{{.*}}r3 |
| %a = shl i64 %x, %y |
| %b = trunc i64 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @f2(i64 %x, i64 %y) { |
| ; CHECK-LABEL: f2: |
| ; CHECK-LE: rsb r3, r2, #32 |
| ; CHECK-LE-NEXT: lsr{{.*}}r2 |
| ; CHECK-LE-NEXT: sub r2, r2, #32 |
| ; CHECK-LE-NEXT: orr r0, r0, r1, lsl r3 |
| ; CHECK-LE-NEXT: cmp r2, #0 |
| ; CHECK-LE-NEXT: asrge r0, r1, r2 |
| |
| ; CHECK-BE: rsb r2, r3, #32 |
| ; CHECK-BE-NEXT: lsr{{.*}}r3 |
| ; CHECK-BE-NEXT: orr r1, r1, r0, lsl r2 |
| ; CHECK-BE-NEXT: sub r2, r3, #32 |
| ; CHECK-BE-NEXT: cmp r2, #0 |
| ; CHECK-BE-NEXT: asrge r1, r0, r2 |
| |
| %a = ashr i64 %x, %y |
| %b = trunc i64 %a to i32 |
| ret i32 %b |
| } |
| |
| define i32 @f3(i64 %x, i64 %y) { |
| ; CHECK-LABEL: f3: |
| ; CHECK-LE: rsb r3, r2, #32 |
| ; CHECK-LE-NEXT: lsr{{.*}}r2 |
| ; CHECK-LE-NEXT: sub r2, r2, #32 |
| ; CHECK-LE-NEXT: orr r0, r0, r1, lsl r3 |
| ; CHECK-LE-NEXT: cmp r2, #0 |
| ; CHECK-LE-NEXT: lsrge r0, r1, r2 |
| |
| ; CHECK-BE: rsb r2, r3, #32 |
| ; CHECK-BE-NEXT: lsr{{.*}}r3 |
| ; CHECK-BE-NEXT: orr r1, r1, r0, lsl r2 |
| ; CHECK-BE-NEXT: sub r2, r3, #32 |
| ; CHECK-BE-NEXT: cmp r2, #0 |
| ; CHECK-BE-NEXT: lsrge r1, r0, r2 |
| |
| %a = lshr i64 %x, %y |
| %b = trunc i64 %a to i32 |
| ret i32 %b |
| } |