| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=aarch64-linux-gnu -mattr=+lsl-fast | FileCheck %s |
| |
| %struct.a = type [256 x i16] |
| %struct.b = type [256 x i32] |
| %struct.c = type [256 x i64] |
| |
| declare void @foo() |
| define i16 @halfword(%struct.a* %ctx, i32 %xor72) nounwind { |
| ; CHECK-LABEL: halfword: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: stp x30, x21, [sp, #-32]! // 16-byte Folded Spill |
| ; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1 |
| ; CHECK-NEXT: ubfx x21, x1, #9, #8 |
| ; CHECK-NEXT: stp x20, x19, [sp, #16] // 16-byte Folded Spill |
| ; CHECK-NEXT: mov x19, x0 |
| ; CHECK-NEXT: ldrh w20, [x0, x21, lsl #1] |
| ; CHECK-NEXT: bl foo |
| ; CHECK-NEXT: mov w0, w20 |
| ; CHECK-NEXT: strh w20, [x19, x21, lsl #1] |
| ; CHECK-NEXT: ldp x20, x19, [sp, #16] // 16-byte Folded Reload |
| ; CHECK-NEXT: ldp x30, x21, [sp], #32 // 16-byte Folded Reload |
| ; CHECK-NEXT: ret |
| %shr81 = lshr i32 %xor72, 9 |
| %conv82 = zext i32 %shr81 to i64 |
| %idxprom83 = and i64 %conv82, 255 |
| %arrayidx86 = getelementptr inbounds %struct.a, %struct.a* %ctx, i64 0, i64 %idxprom83 |
| %result = load i16, i16* %arrayidx86, align 2 |
| call void @foo() |
| store i16 %result, i16* %arrayidx86, align 2 |
| ret i16 %result |
| } |
| |
| define i32 @word(%struct.b* %ctx, i32 %xor72) nounwind { |
| ; CHECK-LABEL: word: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: stp x30, x21, [sp, #-32]! // 16-byte Folded Spill |
| ; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1 |
| ; CHECK-NEXT: ubfx x21, x1, #9, #8 |
| ; CHECK-NEXT: stp x20, x19, [sp, #16] // 16-byte Folded Spill |
| ; CHECK-NEXT: mov x19, x0 |
| ; CHECK-NEXT: ldr w20, [x0, x21, lsl #2] |
| ; CHECK-NEXT: bl foo |
| ; CHECK-NEXT: mov w0, w20 |
| ; CHECK-NEXT: str w20, [x19, x21, lsl #2] |
| ; CHECK-NEXT: ldp x20, x19, [sp, #16] // 16-byte Folded Reload |
| ; CHECK-NEXT: ldp x30, x21, [sp], #32 // 16-byte Folded Reload |
| ; CHECK-NEXT: ret |
| %shr81 = lshr i32 %xor72, 9 |
| %conv82 = zext i32 %shr81 to i64 |
| %idxprom83 = and i64 %conv82, 255 |
| %arrayidx86 = getelementptr inbounds %struct.b, %struct.b* %ctx, i64 0, i64 %idxprom83 |
| %result = load i32, i32* %arrayidx86, align 4 |
| call void @foo() |
| store i32 %result, i32* %arrayidx86, align 4 |
| ret i32 %result |
| } |
| |
| define i64 @doubleword(%struct.c* %ctx, i32 %xor72) nounwind { |
| ; CHECK-LABEL: doubleword: |
| ; CHECK: // %bb.0: |
| ; CHECK-NEXT: stp x30, x21, [sp, #-32]! // 16-byte Folded Spill |
| ; CHECK-NEXT: // kill: def $w1 killed $w1 def $x1 |
| ; CHECK-NEXT: ubfx x21, x1, #9, #8 |
| ; CHECK-NEXT: stp x20, x19, [sp, #16] // 16-byte Folded Spill |
| ; CHECK-NEXT: mov x19, x0 |
| ; CHECK-NEXT: ldr x20, [x0, x21, lsl #3] |
| ; CHECK-NEXT: bl foo |
| ; CHECK-NEXT: mov x0, x20 |
| ; CHECK-NEXT: str x20, [x19, x21, lsl #3] |
| ; CHECK-NEXT: ldp x20, x19, [sp, #16] // 16-byte Folded Reload |
| ; CHECK-NEXT: ldp x30, x21, [sp], #32 // 16-byte Folded Reload |
| ; CHECK-NEXT: ret |
| %shr81 = lshr i32 %xor72, 9 |
| %conv82 = zext i32 %shr81 to i64 |
| %idxprom83 = and i64 %conv82, 255 |
| %arrayidx86 = getelementptr inbounds %struct.c, %struct.c* %ctx, i64 0, i64 %idxprom83 |
| %result = load i64, i64* %arrayidx86, align 8 |
| call void @foo() |
| store i64 %result, i64* %arrayidx86, align 8 |
| ret i64 %result |
| } |
| |
| define i64 @multi_use_non_memory(i64 %a, i64 %b) { |
| ; CHECK-LABEL: multi_use_non_memory: |
| ; CHECK: // %bb.0: // %entry |
| ; CHECK-NEXT: lsl x8, x0, #3 |
| ; CHECK-NEXT: lsl x9, x1, #3 |
| ; CHECK-NEXT: cmp x8, x9 |
| ; CHECK-NEXT: b.lt .LBB3_2 |
| ; CHECK-NEXT: // %bb.1: // %falsebb |
| ; CHECK-NEXT: csel x0, x8, x9, gt |
| ; CHECK-NEXT: ret |
| ; CHECK-NEXT: .LBB3_2: // %truebb |
| ; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill |
| ; CHECK-NEXT: .cfi_def_cfa_offset 16 |
| ; CHECK-NEXT: .cfi_offset w30, -16 |
| ; CHECK-NEXT: bl foo |
| entry: |
| %mul1 = shl i64 %a, 3 |
| %mul2 = shl i64 %b, 3 |
| %cmp = icmp slt i64 %mul1, %mul2 |
| br i1 %cmp, label %truebb, label %falsebb |
| truebb: |
| tail call void @foo() |
| unreachable |
| falsebb: |
| %cmp2 = icmp sgt i64 %mul1, %mul2 |
| br i1 %cmp2, label %exitbb, label %endbb |
| exitbb: |
| ret i64 %mul1 |
| endbb: |
| ret i64 %mul2 |
| } |