| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 |
| ; Test that 256-bit shifts still work when i128 is a legal type |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s |
| |
| ; Shift left. |
| define i256 @f1(i256 %a, i256 %sh) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: vl %v1, 16(%r3), 3 |
| ; CHECK-NEXT: vl %v0, 0(%r3), 3 |
| ; CHECK-NEXT: l %r0, 28(%r4) |
| ; CHECK-NEXT: clijhe %r0, 128, .LBB0_2 |
| ; CHECK-NEXT: # %bb.1: |
| ; CHECK-NEXT: lr %r1, %r0 |
| ; CHECK-NEXT: xilf %r1, 4294967295 |
| ; CHECK-NEXT: vlvgp %v2, %r0, %r0 |
| ; CHECK-NEXT: vlvgp %v5, %r1, %r1 |
| ; CHECK-NEXT: vrepib %v4, 1 |
| ; CHECK-NEXT: vrepb %v3, %v2, 15 |
| ; CHECK-NEXT: vsrl %v4, %v1, %v4 |
| ; CHECK-NEXT: vrepb %v5, %v5, 15 |
| ; CHECK-NEXT: vslb %v2, %v0, %v3 |
| ; CHECK-NEXT: vsrlb %v4, %v4, %v5 |
| ; CHECK-NEXT: vslb %v1, %v1, %v3 |
| ; CHECK-NEXT: vsl %v2, %v2, %v3 |
| ; CHECK-NEXT: vsrl %v4, %v4, %v5 |
| ; CHECK-NEXT: vo %v2, %v2, %v4 |
| ; CHECK-NEXT: vsl %v1, %v1, %v3 |
| ; CHECK-NEXT: cijlh %r0, 0, .LBB0_3 |
| ; CHECK-NEXT: j .LBB0_4 |
| ; CHECK-NEXT: .LBB0_2: |
| ; CHECK-NEXT: ahik %r1, %r0, -128 |
| ; CHECK-NEXT: vlvgp %v2, %r1, %r1 |
| ; CHECK-NEXT: vrepb %v2, %v2, 15 |
| ; CHECK-NEXT: vslb %v1, %v1, %v2 |
| ; CHECK-NEXT: vsl %v2, %v1, %v2 |
| ; CHECK-NEXT: vgbm %v1, 0 |
| ; CHECK-NEXT: cije %r0, 0, .LBB0_4 |
| ; CHECK-NEXT: .LBB0_3: |
| ; CHECK-NEXT: vlr %v0, %v2 |
| ; CHECK-NEXT: .LBB0_4: |
| ; CHECK-NEXT: vst %v1, 16(%r2), 3 |
| ; CHECK-NEXT: vst %v0, 0(%r2), 3 |
| ; CHECK-NEXT: br %r14 |
| %res = shl i256 %a, %sh |
| ret i256 %res |
| } |
| |
| ; Shift right logical. |
| define i256 @f2(i256 %a, i256 %sh) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: vl %v1, 0(%r3), 3 |
| ; CHECK-NEXT: vl %v0, 16(%r3), 3 |
| ; CHECK-NEXT: l %r0, 28(%r4) |
| ; CHECK-NEXT: clijhe %r0, 128, .LBB1_2 |
| ; CHECK-NEXT: # %bb.1: |
| ; CHECK-NEXT: lr %r1, %r0 |
| ; CHECK-NEXT: xilf %r1, 4294967295 |
| ; CHECK-NEXT: vlvgp %v2, %r0, %r0 |
| ; CHECK-NEXT: vlvgp %v5, %r1, %r1 |
| ; CHECK-NEXT: vrepib %v4, 1 |
| ; CHECK-NEXT: vrepb %v3, %v2, 15 |
| ; CHECK-NEXT: vsl %v4, %v1, %v4 |
| ; CHECK-NEXT: vrepb %v5, %v5, 15 |
| ; CHECK-NEXT: vsrlb %v2, %v0, %v3 |
| ; CHECK-NEXT: vslb %v4, %v4, %v5 |
| ; CHECK-NEXT: vsrlb %v1, %v1, %v3 |
| ; CHECK-NEXT: vsrl %v2, %v2, %v3 |
| ; CHECK-NEXT: vsl %v4, %v4, %v5 |
| ; CHECK-NEXT: vo %v2, %v4, %v2 |
| ; CHECK-NEXT: vsrl %v1, %v1, %v3 |
| ; CHECK-NEXT: cijlh %r0, 0, .LBB1_3 |
| ; CHECK-NEXT: j .LBB1_4 |
| ; CHECK-NEXT: .LBB1_2: |
| ; CHECK-NEXT: ahik %r1, %r0, -128 |
| ; CHECK-NEXT: vlvgp %v2, %r1, %r1 |
| ; CHECK-NEXT: vrepb %v2, %v2, 15 |
| ; CHECK-NEXT: vsrlb %v1, %v1, %v2 |
| ; CHECK-NEXT: vsrl %v2, %v1, %v2 |
| ; CHECK-NEXT: vgbm %v1, 0 |
| ; CHECK-NEXT: cije %r0, 0, .LBB1_4 |
| ; CHECK-NEXT: .LBB1_3: |
| ; CHECK-NEXT: vlr %v0, %v2 |
| ; CHECK-NEXT: .LBB1_4: |
| ; CHECK-NEXT: vst %v1, 0(%r2), 3 |
| ; CHECK-NEXT: vst %v0, 16(%r2), 3 |
| ; CHECK-NEXT: br %r14 |
| %res = lshr i256 %a, %sh |
| ret i256 %res |
| } |
| |
| ; Shift right arithmetic. |
| define i256 @f3(i256 %a, i256 %sh) { |
| ; CHECK-LABEL: f3: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: vl %v0, 16(%r3), 3 |
| ; CHECK-NEXT: l %r0, 28(%r4) |
| ; CHECK-NEXT: vl %v2, 0(%r3), 3 |
| ; CHECK-NEXT: clijhe %r0, 128, .LBB2_2 |
| ; CHECK-NEXT: # %bb.1: |
| ; CHECK-NEXT: vlvgp %v1, %r0, %r0 |
| ; CHECK-NEXT: vrepb %v3, %v1, 15 |
| ; CHECK-NEXT: vsrab %v1, %v2, %v3 |
| ; CHECK-NEXT: vsrlb %v4, %v0, %v3 |
| ; CHECK-NEXT: vsra %v1, %v1, %v3 |
| ; CHECK-NEXT: lr %r1, %r0 |
| ; CHECK-NEXT: vsrl %v3, %v4, %v3 |
| ; CHECK-NEXT: vrepib %v4, 1 |
| ; CHECK-NEXT: xilf %r1, 4294967295 |
| ; CHECK-NEXT: vsl %v2, %v2, %v4 |
| ; CHECK-NEXT: vlvgp %v4, %r1, %r1 |
| ; CHECK-NEXT: vrepb %v4, %v4, 15 |
| ; CHECK-NEXT: vslb %v2, %v2, %v4 |
| ; CHECK-NEXT: vsl %v2, %v2, %v4 |
| ; CHECK-NEXT: vo %v2, %v2, %v3 |
| ; CHECK-NEXT: cijlh %r0, 0, .LBB2_3 |
| ; CHECK-NEXT: j .LBB2_4 |
| ; CHECK-NEXT: .LBB2_2: |
| ; CHECK-NEXT: vrepib %v1, 127 |
| ; CHECK-NEXT: vsrab %v3, %v2, %v1 |
| ; CHECK-NEXT: ahik %r1, %r0, -128 |
| ; CHECK-NEXT: vsra %v1, %v3, %v1 |
| ; CHECK-NEXT: vlvgp %v3, %r1, %r1 |
| ; CHECK-NEXT: vrepb %v3, %v3, 15 |
| ; CHECK-NEXT: vsrab %v2, %v2, %v3 |
| ; CHECK-NEXT: vsra %v2, %v2, %v3 |
| ; CHECK-NEXT: cije %r0, 0, .LBB2_4 |
| ; CHECK-NEXT: .LBB2_3: |
| ; CHECK-NEXT: vlr %v0, %v2 |
| ; CHECK-NEXT: .LBB2_4: |
| ; CHECK-NEXT: vst %v1, 0(%r2), 3 |
| ; CHECK-NEXT: vst %v0, 16(%r2), 3 |
| ; CHECK-NEXT: br %r14 |
| %res = ashr i256 %a, %sh |
| ret i256 %res |
| } |