| ; Test insertions of byte-swapped memory values into a nonzero index of an undef. |
| ; |
| ; 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 v8i16 insertion into an undef, with an arbitrary index. |
| define <8 x i16> @f1(i16 *%ptr) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: vlbrreph %v24, 0(%r2) |
| ; CHECK-NEXT: br %r14 |
| %val = load i16, i16 *%ptr |
| %swap = call i16 @llvm.bswap.i16(i16 %val) |
| %ret = insertelement <8 x i16> undef, i16 %swap, i32 5 |
| ret <8 x i16> %ret |
| } |
| |
| ; Test v8i16 insertion into an undef, using a vector bswap. |
| define <8 x i16> @f2(i16 *%ptr) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: vlbrreph %v24, 0(%r2) |
| ; CHECK-NEXT: br %r14 |
| %val = load i16, i16 *%ptr |
| %insert = insertelement <8 x i16> undef, i16 %val, i32 5 |
| %ret = call <8 x i16> @llvm.bswap.v8i16(<8 x i16> %insert) |
| ret <8 x i16> %ret |
| } |
| |
| ; Test v4i32 insertion into an undef, with an arbitrary index. |
| define <4 x i32> @f3(i32 *%ptr) { |
| ; CHECK-LABEL: f3: |
| ; CHECK: vlbrrepf %v24, 0(%r2) |
| ; CHECK-NEXT: br %r14 |
| %val = load i32, i32 *%ptr |
| %swap = call i32 @llvm.bswap.i32(i32 %val) |
| %ret = insertelement <4 x i32> undef, i32 %swap, i32 2 |
| ret <4 x i32> %ret |
| } |
| |
| ; Test v4i32 insertion into an undef, using a vector bswap. |
| define <4 x i32> @f4(i32 *%ptr) { |
| ; CHECK-LABEL: f4: |
| ; CHECK: vlbrrepf %v24, 0(%r2) |
| ; CHECK-NEXT: br %r14 |
| %val = load i32, i32 *%ptr |
| %insert = insertelement <4 x i32> undef, i32 %val, i32 2 |
| %ret = call <4 x i32> @llvm.bswap.v4i32(<4 x i32> %insert) |
| ret <4 x i32> %ret |
| } |
| |
| ; Test v2i64 insertion into an undef, with an arbitrary index. |
| define <2 x i64> @f5(i64 *%ptr) { |
| ; CHECK-LABEL: f5: |
| ; CHECK: vlbrrepg %v24, 0(%r2) |
| ; CHECK-NEXT: br %r14 |
| %val = load i64, i64 *%ptr |
| %swap = call i64 @llvm.bswap.i64(i64 %val) |
| %ret = insertelement <2 x i64> undef, i64 %swap, i32 1 |
| ret <2 x i64> %ret |
| } |
| |
| ; Test v2i64 insertion into an undef, using a vector bwap. |
| define <2 x i64> @f6(i64 *%ptr) { |
| ; CHECK-LABEL: f6: |
| ; CHECK: vlbrrepg %v24, 0(%r2) |
| ; CHECK-NEXT: br %r14 |
| %val = load i64, i64 *%ptr |
| %insert = insertelement <2 x i64> undef, i64 %val, i32 1 |
| %ret = call <2 x i64> @llvm.bswap.v2i64(<2 x i64> %insert) |
| ret <2 x i64> %ret |
| } |
| |