diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/X86/no-sse2-avg.ll | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/no-sse2-avg.ll b/llvm/test/CodeGen/X86/no-sse2-avg.ll new file mode 100644 index 00000000000..0ed0a7f74cb --- /dev/null +++ b/llvm/test/CodeGen/X86/no-sse2-avg.ll @@ -0,0 +1,32 @@ +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py +; REQUIRES: asserts +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=-sse2 | FileCheck %s + +define <16 x i8> @PR27973() { +; CHECK-LABEL: PR27973: +; CHECK: # BB#0: +; CHECK-NEXT: movb $0, 15(%rdi) +; CHECK-NEXT: movb $0, 14(%rdi) +; CHECK-NEXT: movb $0, 13(%rdi) +; CHECK-NEXT: movb $0, 12(%rdi) +; CHECK-NEXT: movb $0, 11(%rdi) +; CHECK-NEXT: movb $0, 10(%rdi) +; CHECK-NEXT: movb $0, 9(%rdi) +; CHECK-NEXT: movb $0, 8(%rdi) +; CHECK-NEXT: movb $0, 7(%rdi) +; CHECK-NEXT: movb $0, 6(%rdi) +; CHECK-NEXT: movb $0, 5(%rdi) +; CHECK-NEXT: movb $0, 4(%rdi) +; CHECK-NEXT: movb $0, 3(%rdi) +; CHECK-NEXT: movb $0, 2(%rdi) +; CHECK-NEXT: movb $0, 1(%rdi) +; CHECK-NEXT: movb $0, (%rdi) +; CHECK-NEXT: movq %rdi, %rax +; CHECK-NEXT: retq +; + %t0 = zext <16 x i8> zeroinitializer to <16 x i32> + %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> + %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> + %t3 = trunc <16 x i32> %t2 to <16 x i8> + ret <16 x i8> %t3 +} |
