| ; RUN: llc -ppc-asm-full-reg-names -verify-machineinstrs < %s \ |
| ; RUN: -mtriple=powerpc64le-unknown-linux-gnu | FileCheck %s -check-prefix=INST |
| ; RUN: llc -ppc-asm-full-reg-names -verify-machineinstrs -ppc-lsr-no-insns-cost=true \ |
| ; RUN: < %s -mtriple=powerpc64le-unknown-linux-gnu | FileCheck %s -check-prefix=REG |
| |
| ; void test(unsigned *a, unsigned *b, unsigned *c) |
| ; { |
| ; for (unsigned long i = 0; i < 1024; i++) |
| ; c[i] = a[i] + b[i]; |
| ; } |
| ; |
| ; compile with -fno-unroll-loops |
| |
| define void @lsr-insts-cost(i32* %0, i32* %1, i32* %2) { |
| ; INST-LABEL: lsr-insts-cost |
| ; INST: .LBB0_4: # =>This Inner Loop Header: Depth=1 |
| ; INST-NEXT: lxvd2x vs34, r3, r6 |
| ; INST-NEXT: lxvd2x vs35, r4, r6 |
| ; INST-NEXT: vadduwm v2, v3, v2 |
| ; INST-NEXT: stxvd2x vs34, r5, r6 |
| ; INST-NEXT: addi r6, r6, 16 |
| ; INST-NEXT: bdnz .LBB0_4 |
| ; |
| ; REG-LABEL: lsr-insts-cost |
| ; REG: .LBB0_4: # =>This Inner Loop Header: Depth=1 |
| ; REG-NEXT: lxvd2x vs34, 0, r3 |
| ; REG-NEXT: lxvd2x vs35, 0, r4 |
| ; REG-NEXT: addi r4, r4, 16 |
| ; REG-NEXT: addi r3, r3, 16 |
| ; REG-NEXT: vadduwm v2, v3, v2 |
| ; REG-NEXT: stxvd2x vs34, 0, r5 |
| ; REG-NEXT: addi r5, r5, 16 |
| ; REG-NEXT: bdnz .LBB0_4 |
| %4 = getelementptr i32, i32* %2, i64 1024 |
| %5 = getelementptr i32, i32* %0, i64 1024 |
| %6 = getelementptr i32, i32* %1, i64 1024 |
| %7 = icmp ugt i32* %5, %2 |
| %8 = icmp ugt i32* %4, %0 |
| %9 = and i1 %7, %8 |
| %10 = icmp ugt i32* %6, %2 |
| %11 = icmp ugt i32* %4, %1 |
| %12 = and i1 %10, %11 |
| %13 = or i1 %9, %12 |
| br i1 %13, label %28, label %14 |
| |
| 14: ; preds = %3, %14 |
| %15 = phi i64 [ %25, %14 ], [ 0, %3 ] |
| %16 = getelementptr inbounds i32, i32* %0, i64 %15 |
| %17 = bitcast i32* %16 to <4 x i32>* |
| %18 = load <4 x i32>, <4 x i32>* %17, align 4 |
| %19 = getelementptr inbounds i32, i32* %1, i64 %15 |
| %20 = bitcast i32* %19 to <4 x i32>* |
| %21 = load <4 x i32>, <4 x i32>* %20, align 4 |
| %22 = add <4 x i32> %21, %18 |
| %23 = getelementptr inbounds i32, i32* %2, i64 %15 |
| %24 = bitcast i32* %23 to <4 x i32>* |
| store <4 x i32> %22, <4 x i32>* %24, align 4 |
| %25 = add i64 %15, 4 |
| %26 = icmp eq i64 %25, 1024 |
| br i1 %26, label %27, label %14 |
| |
| 27: ; preds = %14, %28 |
| ret void |
| |
| 28: ; preds = %3, %28 |
| %29 = phi i64 [ %36, %28 ], [ 0, %3 ] |
| %30 = getelementptr inbounds i32, i32* %0, i64 %29 |
| %31 = load i32, i32* %30, align 4 |
| %32 = getelementptr inbounds i32, i32* %1, i64 %29 |
| %33 = load i32, i32* %32, align 4 |
| %34 = add i32 %33, %31 |
| %35 = getelementptr inbounds i32, i32* %2, i64 %29 |
| store i32 %34, i32* %35, align 4 |
| %36 = add nuw nsw i64 %29, 1 |
| %37 = icmp eq i64 %36, 1024 |
| br i1 %37, label %27, label %28 |
| } |