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