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