; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 ; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=skx < %s | FileCheck %s ; If we have a truncating store, we need to truncate the elements when ; when combining the constants. define void @pr64593(ptr %p) { ; CHECK-LABEL: pr64593: ; CHECK: # %bb.0: ; CHECK-NEXT: vpxor %xmm0, %xmm0, %xmm0 ; CHECK-NEXT: vpmovqb %zmm0, (%rdi) ; CHECK-NEXT: movq $0, 8(%rdi) ; CHECK-NEXT: vzeroupper ; CHECK-NEXT: retq %v = insertelement <8 x i64> zeroinitializer, i64 0, i32 1 %trunc = trunc <8 x i64> %v to <8 x i8> %p1 = getelementptr i8, ptr %p, i32 0 %p2 = getelementptr i8, ptr %p, i32 8 store <8 x i8> %trunc, ptr %p1 store <8 x i8> zeroinitializer, ptr %p2 ret void }