113 lines
3.1 KiB
LLVM
113 lines
3.1 KiB
LLVM
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; Test vector truncating stores.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
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; Test a v16i8->v16i1 truncation.
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define void @f1(<16 x i8> %val, <16 x i1> *%ptr) {
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; No expected output, but must compile.
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%trunc = trunc <16 x i8> %val to <16 x i1>
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store <16 x i1> %trunc, <16 x i1> *%ptr
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ret void
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}
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; Test a v8i16->v8i1 truncation.
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define void @f2(<8 x i16> %val, <8 x i1> *%ptr) {
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; No expected output, but must compile.
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%trunc = trunc <8 x i16> %val to <8 x i1>
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store <8 x i1> %trunc, <8 x i1> *%ptr
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ret void
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}
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; Test a v8i16->v8i8 truncation.
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define void @f3(<8 x i16> %val, <8 x i8> *%ptr) {
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; CHECK-LABEL: f3:
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; CHECK: vpkh [[REG1:%v[0-9]+]], %v24, %v24
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; CHECK: vsteg [[REG1]], 0(%r2)
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; CHECK: br %r14
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%trunc = trunc <8 x i16> %val to <8 x i8>
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store <8 x i8> %trunc, <8 x i8> *%ptr
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ret void
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}
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; Test a v4i32->v4i1 truncation.
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define void @f4(<4 x i32> %val, <4 x i1> *%ptr) {
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; No expected output, but must compile.
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%trunc = trunc <4 x i32> %val to <4 x i1>
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store <4 x i1> %trunc, <4 x i1> *%ptr
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ret void
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}
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; Test a v4i32->v4i8 truncation. At the moment we use a VPERM rather than
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; a chain of packs.
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define void @f5(<4 x i32> %val, <4 x i8> *%ptr) {
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; CHECK-LABEL: f5:
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; CHECK: vperm [[REG:%v[0-9]+]],
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; CHECK: vstef [[REG]], 0(%r2)
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; CHECK: br %r14
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%trunc = trunc <4 x i32> %val to <4 x i8>
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store <4 x i8> %trunc, <4 x i8> *%ptr
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ret void
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}
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; Test a v4i32->v4i16 truncation.
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define void @f6(<4 x i32> %val, <4 x i16> *%ptr) {
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; CHECK-LABEL: f6:
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; CHECK: vpkf [[REG1:%v[0-9]+]], %v24, %v24
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; CHECK: vsteg [[REG1]], 0(%r2)
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; CHECK: br %r14
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%trunc = trunc <4 x i32> %val to <4 x i16>
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store <4 x i16> %trunc, <4 x i16> *%ptr
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ret void
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}
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; Test a v2i64->v2i1 truncation.
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define void @f7(<2 x i64> %val, <2 x i1> *%ptr) {
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; CHECK-LABEL: f7:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vlgvg %r0, %v24, 0
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; CHECK-DAG: sll %r0, 1
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; CHECK-DAG: vlgvg %r1, %v24, 1
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; CHECK-NEXT: rosbg %r0, %r1, 63, 63, 0
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; CHECK-NEXT: nilf %r0, 3
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; CHECK-NEXT: stc %r0, 0(%r2)
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; CHECK-NEXT: br %r14
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%trunc = trunc <2 x i64> %val to <2 x i1>
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store <2 x i1> %trunc, <2 x i1> *%ptr
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ret void
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}
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; Test a v2i64->v2i8 truncation. At the moment we use a VPERM rather than
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; a chain of packs.
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define void @f8(<2 x i64> %val, <2 x i8> *%ptr) {
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; CHECK-LABEL: f8:
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; CHECK: vperm [[REG:%v[0-9]+]],
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; CHECK: vsteh [[REG]], 0(%r2)
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; CHECK: br %r14
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%trunc = trunc <2 x i64> %val to <2 x i8>
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store <2 x i8> %trunc, <2 x i8> *%ptr
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ret void
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}
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; Test a v2i64->v2i16 truncation. At the moment we use a VPERM rather than
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; a chain of packs.
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define void @f9(<2 x i64> %val, <2 x i16> *%ptr) {
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; CHECK-LABEL: f9:
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; CHECK: vperm [[REG:%v[0-9]+]],
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; CHECK: vstef [[REG]], 0(%r2)
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; CHECK: br %r14
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%trunc = trunc <2 x i64> %val to <2 x i16>
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store <2 x i16> %trunc, <2 x i16> *%ptr
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ret void
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}
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; Test a v2i64->v2i32 truncation.
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define void @f10(<2 x i64> %val, <2 x i32> *%ptr) {
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; CHECK-LABEL: f10:
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; CHECK: vpkg [[REG1:%v[0-9]+]], %v24, %v24
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; CHECK: vsteg [[REG1]], 0(%r2)
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; CHECK: br %r14
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%trunc = trunc <2 x i64> %val to <2 x i32>
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store <2 x i32> %trunc, <2 x i32> *%ptr
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ret void
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}
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