| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=aarch64-- | FileCheck %s |
| |
| ; If positive... |
| |
| define i32 @zext_ifpos(i32 %x) { |
| ; CHECK-LABEL: zext_ifpos: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: lsr w8, w0, #31 |
| ; CHECK-NEXT: eor w0, w8, #0x1 |
| ; CHECK-NEXT: ret |
| %c = icmp sgt i32 %x, -1 |
| %e = zext i1 %c to i32 |
| ret i32 %e |
| } |
| |
| define i32 @add_zext_ifpos(i32 %x) { |
| ; CHECK-LABEL: add_zext_ifpos: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: lsr w8, w0, #31 |
| ; CHECK-NEXT: eor w8, w8, #0x1 |
| ; CHECK-NEXT: add w0, w8, #41 // =41 |
| ; CHECK-NEXT: ret |
| %c = icmp sgt i32 %x, -1 |
| %e = zext i1 %c to i32 |
| %r = add i32 %e, 41 |
| ret i32 %r |
| } |
| |
| define i32 @sel_ifpos_tval_bigger(i32 %x) { |
| ; CHECK-LABEL: sel_ifpos_tval_bigger: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmp w0, #0 // =0 |
| ; CHECK-NEXT: mov w8, #41 |
| ; CHECK-NEXT: cinc w0, w8, ge |
| ; CHECK-NEXT: ret |
| %c = icmp sgt i32 %x, -1 |
| %r = select i1 %c, i32 42, i32 41 |
| ret i32 %r |
| } |
| |
| define i32 @sext_ifpos(i32 %x) { |
| ; CHECK-LABEL: sext_ifpos: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: mov w8, #-1 |
| ; CHECK-NEXT: eor w0, w8, w0, asr #31 |
| ; CHECK-NEXT: ret |
| %c = icmp sgt i32 %x, -1 |
| %e = sext i1 %c to i32 |
| ret i32 %e |
| } |
| |
| define i32 @add_sext_ifpos(i32 %x) { |
| ; CHECK-LABEL: add_sext_ifpos: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: lsr w8, w0, #31 |
| ; CHECK-NEXT: eor w8, w8, #0x1 |
| ; CHECK-NEXT: mov w9, #42 |
| ; CHECK-NEXT: sub w0, w9, w8 |
| ; CHECK-NEXT: ret |
| %c = icmp sgt i32 %x, -1 |
| %e = sext i1 %c to i32 |
| %r = add i32 %e, 42 |
| ret i32 %r |
| } |
| |
| define i32 @sel_ifpos_fval_bigger(i32 %x) { |
| ; CHECK-LABEL: sel_ifpos_fval_bigger: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmp w0, #0 // =0 |
| ; CHECK-NEXT: mov w8, #41 |
| ; CHECK-NEXT: cinc w0, w8, lt |
| ; CHECK-NEXT: ret |
| %c = icmp sgt i32 %x, -1 |
| %r = select i1 %c, i32 41, i32 42 |
| ret i32 %r |
| } |
| |
| ; If negative... |
| |
| define i32 @zext_ifneg(i32 %x) { |
| ; CHECK-LABEL: zext_ifneg: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: lsr w0, w0, #31 |
| ; CHECK-NEXT: ret |
| %c = icmp slt i32 %x, 0 |
| %r = zext i1 %c to i32 |
| ret i32 %r |
| } |
| |
| define i32 @add_zext_ifneg(i32 %x) { |
| ; CHECK-LABEL: add_zext_ifneg: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: lsr w8, w0, #31 |
| ; CHECK-NEXT: add w0, w8, #41 // =41 |
| ; CHECK-NEXT: ret |
| %c = icmp slt i32 %x, 0 |
| %e = zext i1 %c to i32 |
| %r = add i32 %e, 41 |
| ret i32 %r |
| } |
| |
| define i32 @sel_ifneg_tval_bigger(i32 %x) { |
| ; CHECK-LABEL: sel_ifneg_tval_bigger: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmp w0, #0 // =0 |
| ; CHECK-NEXT: mov w8, #41 |
| ; CHECK-NEXT: cinc w0, w8, lt |
| ; CHECK-NEXT: ret |
| %c = icmp slt i32 %x, 0 |
| %r = select i1 %c, i32 42, i32 41 |
| ret i32 %r |
| } |
| |
| define i32 @sext_ifneg(i32 %x) { |
| ; CHECK-LABEL: sext_ifneg: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: asr w0, w0, #31 |
| ; CHECK-NEXT: ret |
| %c = icmp slt i32 %x, 0 |
| %r = sext i1 %c to i32 |
| ret i32 %r |
| } |
| |
| define i32 @add_sext_ifneg(i32 %x) { |
| ; CHECK-LABEL: add_sext_ifneg: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: mov w8, #42 |
| ; CHECK-NEXT: sub w0, w8, w0, lsr #31 |
| ; CHECK-NEXT: ret |
| %c = icmp slt i32 %x, 0 |
| %e = sext i1 %c to i32 |
| %r = add i32 %e, 42 |
| ret i32 %r |
| } |
| |
| define i32 @sel_ifneg_fval_bigger(i32 %x) { |
| ; CHECK-LABEL: sel_ifneg_fval_bigger: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: cmp w0, #0 // =0 |
| ; CHECK-NEXT: mov w8, #41 |
| ; CHECK-NEXT: cinc w0, w8, ge |
| ; CHECK-NEXT: ret |
| %c = icmp slt i32 %x, 0 |
| %r = select i1 %c, i32 41, i32 42 |
| ret i32 %r |
| } |
| |