| ; Test replications of a byte-swapped scalar memory value. |
| ; |
| ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z15 | FileCheck %s |
| |
| declare i16 @llvm.bswap.i16(i16) |
| declare i32 @llvm.bswap.i32(i32) |
| declare i64 @llvm.bswap.i64(i64) |
| declare <8 x i16> @llvm.bswap.v8i16(<8 x i16>) |
| declare <4 x i32> @llvm.bswap.v4i32(<4 x i32>) |
| declare <2 x i64> @llvm.bswap.v2i64(<2 x i64>) |
| |
| ; Test a v8i16 replicating load with no offset. |
| define <8 x i16> @f1(i16 *%ptr) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: vlbrreph %v24, 0(%r2) |
| ; CHECK: br %r14 |
| %scalar = load i16, i16 *%ptr |
| %swap = call i16 @llvm.bswap.i16(i16 %scalar) |
| %val = insertelement <8 x i16> undef, i16 %swap, i32 0 |
| %ret = shufflevector <8 x i16> %val, <8 x i16> undef, |
| <8 x i32> zeroinitializer |
| ret <8 x i16> %ret |
| } |
| |
| ; Test a v8i16 replicating load with the maximum in-range offset. |
| define <8 x i16> @f2(i16 *%base) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: vlbrreph %v24, 4094(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr i16, i16 *%base, i64 2047 |
| %scalar = load i16, i16 *%ptr |
| %swap = call i16 @llvm.bswap.i16(i16 %scalar) |
| %val = insertelement <8 x i16> undef, i16 %swap, i32 0 |
| %ret = shufflevector <8 x i16> %val, <8 x i16> undef, |
| <8 x i32> zeroinitializer |
| ret <8 x i16> %ret |
| } |
| |
| ; Test a v8i16 replicating load with the first out-of-range offset. |
| define <8 x i16> @f3(i16 *%base) { |
| ; CHECK-LABEL: f3: |
| ; CHECK: aghi %r2, 4096 |
| ; CHECK: vlbrreph %v24, 0(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr i16, i16 *%base, i64 2048 |
| %scalar = load i16, i16 *%ptr |
| %swap = call i16 @llvm.bswap.i16(i16 %scalar) |
| %val = insertelement <8 x i16> undef, i16 %swap, i32 0 |
| %ret = shufflevector <8 x i16> %val, <8 x i16> undef, |
| <8 x i32> zeroinitializer |
| ret <8 x i16> %ret |
| } |
| |
| ; Test a v8i16 replicating load using a vector bswap. |
| define <8 x i16> @f4(i16 *%ptr) { |
| ; CHECK-LABEL: f4: |
| ; CHECK: vlbrreph %v24, 0(%r2) |
| ; CHECK: br %r14 |
| %scalar = load i16, i16 *%ptr |
| %val = insertelement <8 x i16> undef, i16 %scalar, i32 0 |
| %rep = shufflevector <8 x i16> %val, <8 x i16> undef, |
| <8 x i32> zeroinitializer |
| %ret = call <8 x i16> @llvm.bswap.v8i16(<8 x i16> %rep) |
| ret <8 x i16> %ret |
| } |
| |
| ; Test a v4i32 replicating load with no offset. |
| define <4 x i32> @f5(i32 *%ptr) { |
| ; CHECK-LABEL: f5: |
| ; CHECK: vlbrrepf %v24, 0(%r2) |
| ; CHECK: br %r14 |
| %scalar = load i32, i32 *%ptr |
| %swap = call i32 @llvm.bswap.i32(i32 %scalar) |
| %val = insertelement <4 x i32> undef, i32 %swap, i32 0 |
| %ret = shufflevector <4 x i32> %val, <4 x i32> undef, |
| <4 x i32> zeroinitializer |
| ret <4 x i32> %ret |
| } |
| |
| ; Test a v4i32 replicating load with the maximum in-range offset. |
| define <4 x i32> @f6(i32 *%base) { |
| ; CHECK-LABEL: f6: |
| ; CHECK: vlbrrepf %v24, 4092(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr i32, i32 *%base, i64 1023 |
| %scalar = load i32, i32 *%ptr |
| %swap = call i32 @llvm.bswap.i32(i32 %scalar) |
| %val = insertelement <4 x i32> undef, i32 %swap, i32 0 |
| %ret = shufflevector <4 x i32> %val, <4 x i32> undef, |
| <4 x i32> zeroinitializer |
| ret <4 x i32> %ret |
| } |
| |
| ; Test a v4i32 replicating load with the first out-of-range offset. |
| define <4 x i32> @f7(i32 *%base) { |
| ; CHECK-LABEL: f7: |
| ; CHECK: aghi %r2, 4096 |
| ; CHECK: vlbrrepf %v24, 0(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr i32, i32 *%base, i64 1024 |
| %scalar = load i32, i32 *%ptr |
| %swap = call i32 @llvm.bswap.i32(i32 %scalar) |
| %val = insertelement <4 x i32> undef, i32 %swap, i32 0 |
| %ret = shufflevector <4 x i32> %val, <4 x i32> undef, |
| <4 x i32> zeroinitializer |
| ret <4 x i32> %ret |
| } |
| |
| ; Test a v4i32 replicating load using a vector bswap. |
| define <4 x i32> @f8(i32 *%ptr) { |
| ; CHECK-LABEL: f8: |
| ; CHECK: vlbrrepf %v24, 0(%r2) |
| ; CHECK: br %r14 |
| %scalar = load i32, i32 *%ptr |
| %val = insertelement <4 x i32> undef, i32 %scalar, i32 0 |
| %rep = shufflevector <4 x i32> %val, <4 x i32> undef, |
| <4 x i32> zeroinitializer |
| %ret = call <4 x i32> @llvm.bswap.v4i32(<4 x i32> %rep) |
| ret <4 x i32> %ret |
| } |
| |
| ; Test a v2i64 replicating load with no offset. |
| define <2 x i64> @f9(i64 *%ptr) { |
| ; CHECK-LABEL: f9: |
| ; CHECK: vlbrrepg %v24, 0(%r2) |
| ; CHECK: br %r14 |
| %scalar = load i64, i64 *%ptr |
| %swap = call i64 @llvm.bswap.i64(i64 %scalar) |
| %val = insertelement <2 x i64> undef, i64 %swap, i32 0 |
| %ret = shufflevector <2 x i64> %val, <2 x i64> undef, |
| <2 x i32> zeroinitializer |
| ret <2 x i64> %ret |
| } |
| |
| ; Test a v2i64 replicating load with the maximum in-range offset. |
| define <2 x i64> @f10(i64 *%base) { |
| ; CHECK-LABEL: f10: |
| ; CHECK: vlbrrepg %v24, 4088(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr i64, i64 *%base, i32 511 |
| %scalar = load i64, i64 *%ptr |
| %swap = call i64 @llvm.bswap.i64(i64 %scalar) |
| %val = insertelement <2 x i64> undef, i64 %swap, i32 0 |
| %ret = shufflevector <2 x i64> %val, <2 x i64> undef, |
| <2 x i32> zeroinitializer |
| ret <2 x i64> %ret |
| } |
| |
| ; Test a v2i64 replicating load with the first out-of-range offset. |
| define <2 x i64> @f11(i64 *%base) { |
| ; CHECK-LABEL: f11: |
| ; CHECK: aghi %r2, 4096 |
| ; CHECK: vlbrrepg %v24, 0(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr i64, i64 *%base, i32 512 |
| %scalar = load i64, i64 *%ptr |
| %swap = call i64 @llvm.bswap.i64(i64 %scalar) |
| %val = insertelement <2 x i64> undef, i64 %swap, i32 0 |
| %ret = shufflevector <2 x i64> %val, <2 x i64> undef, |
| <2 x i32> zeroinitializer |
| ret <2 x i64> %ret |
| } |
| |
| ; Test a v2i64 replicating load using a vector bswap. |
| define <2 x i64> @f12(i64 *%ptr) { |
| ; CHECK-LABEL: f12: |
| ; CHECK: vlbrrepg %v24, 0(%r2) |
| ; CHECK: br %r14 |
| %scalar = load i64, i64 *%ptr |
| %val = insertelement <2 x i64> undef, i64 %scalar, i32 0 |
| %rep = shufflevector <2 x i64> %val, <2 x i64> undef, |
| <2 x i32> zeroinitializer |
| %ret = call <2 x i64> @llvm.bswap.v2i64(<2 x i64> %rep) |
| ret <2 x i64> %ret |
| } |
| |
| ; Test a v8i16 replicating load with an index. |
| define <8 x i16> @f13(i16 *%base, i64 %index) { |
| ; CHECK-LABEL: f13: |
| ; CHECK: sllg [[REG:%r[1-5]]], %r3, 1 |
| ; CHECK: vlbrreph %v24, 2046([[REG]],%r2) |
| ; CHECK: br %r14 |
| %ptr1 = getelementptr i16, i16 *%base, i64 %index |
| %ptr = getelementptr i16, i16 *%ptr1, i64 1023 |
| %scalar = load i16, i16 *%ptr |
| %swap = call i16 @llvm.bswap.i16(i16 %scalar) |
| %val = insertelement <8 x i16> undef, i16 %swap, i32 0 |
| %ret = shufflevector <8 x i16> %val, <8 x i16> undef, |
| <8 x i32> zeroinitializer |
| ret <8 x i16> %ret |
| } |
| |