| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -mtriple=aarch64-none-elf -verify-machineinstrs %s -o - | FileCheck %s |
| |
| define i32 @from_cmpeq(i32 %xx, i32 %y) { |
| ; CHECK-LABEL: from_cmpeq: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: and w8, w1, #0x1 |
| ; CHECK-NEXT: cmp w0, #9 |
| ; CHECK-NEXT: csel w0, w8, wzr, eq |
| ; CHECK-NEXT: ret |
| %x = icmp eq i32 %xx, 9 |
| %masked = and i32 %y, 1 |
| |
| %r = select i1 %x, i32 %masked, i32 0 |
| ret i32 %r |
| } |
| |
| define i32 @from_cmpeq_fail_bad_andmask(i32 %xx, i32 %y) { |
| ; CHECK-LABEL: from_cmpeq_fail_bad_andmask: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: and w8, w1, #0x3 |
| ; CHECK-NEXT: cmp w0, #9 |
| ; CHECK-NEXT: csel w0, w8, wzr, eq |
| ; CHECK-NEXT: ret |
| %x = icmp eq i32 %xx, 9 |
| %masked = and i32 %y, 3 |
| %r = select i1 %x, i32 %masked, i32 0 |
| ret i32 %r |
| } |
| |
| define i32 @from_i1(i1 %x, i32 %y) { |
| ; CHECK-LABEL: from_i1: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: and w8, w0, w1 |
| ; CHECK-NEXT: and w0, w8, #0x1 |
| ; CHECK-NEXT: ret |
| %masked = and i32 %y, 1 |
| %r = select i1 %x, i32 %masked, i32 0 |
| ret i32 %r |
| } |
| |
| define i32 @from_trunc_i8(i8 %xx, i32 %y) { |
| ; CHECK-LABEL: from_trunc_i8: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: and w8, w0, w1 |
| ; CHECK-NEXT: and w0, w8, #0x1 |
| ; CHECK-NEXT: ret |
| %masked = and i32 %y, 1 |
| %x = trunc i8 %xx to i1 |
| %r = select i1 %x, i32 %masked, i32 0 |
| ret i32 %r |
| } |
| |
| define i32 @from_trunc_i64(i64 %xx, i32 %y) { |
| ; CHECK-LABEL: from_trunc_i64: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: and w8, w0, w1 |
| ; CHECK-NEXT: and w0, w8, #0x1 |
| ; CHECK-NEXT: ret |
| %masked = and i32 %y, 1 |
| %x = trunc i64 %xx to i1 |
| %r = select i1 %x, i32 %masked, i32 0 |
| ret i32 %r |
| } |
| |
| define i32 @from_i1_fail_bad_select0(i1 %x, i32 %y) { |
| ; CHECK-LABEL: from_i1_fail_bad_select0: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: and w8, w1, #0x1 |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: csinc w0, w8, wzr, ne |
| ; CHECK-NEXT: ret |
| %masked = and i32 %y, 1 |
| %r = select i1 %x, i32 %masked, i32 1 |
| ret i32 %r |
| } |
| |
| define i32 @from_i1_fail_bad_select1(i1 %x, i32 %y) { |
| ; CHECK-LABEL: from_i1_fail_bad_select1: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: and w8, w1, #0x1 |
| ; CHECK-NEXT: tst w0, #0x1 |
| ; CHECK-NEXT: csel w0, wzr, w8, ne |
| ; CHECK-NEXT: ret |
| %masked = and i32 %y, 1 |
| %r = select i1 %x, i32 0, i32 %masked |
| ret i32 %r |
| } |