1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2 ; REQUIRES: asserts 3 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=-sse2 | FileCheck %s 4 5 define <16 x i8> @PR27973() { 6 ; CHECK-LABEL: PR27973: 7 ; CHECK: # BB#0: 8 ; CHECK-NEXT: movb $0, 15(%rdi) 9 ; CHECK-NEXT: movb $0, 14(%rdi) 10 ; CHECK-NEXT: movb $0, 13(%rdi) 11 ; CHECK-NEXT: movb $0, 12(%rdi) 12 ; CHECK-NEXT: movb $0, 11(%rdi) 13 ; CHECK-NEXT: movb $0, 10(%rdi) 14 ; CHECK-NEXT: movb $0, 9(%rdi) 15 ; CHECK-NEXT: movb $0, 8(%rdi) 16 ; CHECK-NEXT: movb $0, 7(%rdi) 17 ; CHECK-NEXT: movb $0, 6(%rdi) 18 ; CHECK-NEXT: movb $0, 5(%rdi) 19 ; CHECK-NEXT: movb $0, 4(%rdi) 20 ; CHECK-NEXT: movb $0, 3(%rdi) 21 ; CHECK-NEXT: movb $0, 2(%rdi) 22 ; CHECK-NEXT: movb $0, 1(%rdi) 23 ; CHECK-NEXT: movb $0, (%rdi) 24 ; CHECK-NEXT: movq %rdi, %rax 25 ; CHECK-NEXT: retq 26 ; 27 %t0 = zext <16 x i8> zeroinitializer to <16 x i32> 28 %t1 = add nuw nsw <16 x i32> %t0, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1> 29 %t2 = lshr <16 x i32> %t1, <i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1, i32 1> 30 %t3 = trunc <16 x i32> %t2 to <16 x i8> 31 ret <16 x i8> %t3 32 } 33
