xref: /llvm-project/llvm/test/CodeGen/X86/and-load-fold.ll (revision f0dd12ec5c0169ba5b4363b62d59511181cf954a)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=x86_64-- -mcpu=generic < %s | FileCheck %s
3
4; Verify that the DAGCombiner doesn't wrongly remove the 'and' from the dag.
5
6define i8 @foo(ptr %V) {
7; CHECK-LABEL: foo:
8; CHECK:       # %bb.0:
9; CHECK-NEXT:    movzbl 2(%rdi), %eax
10; CHECK-NEXT:    andb $95, %al
11; CHECK-NEXT:    retq
12  %V3i8 = load <3 x i8>, ptr %V, align 4
13  %t0 = and <3 x i8> %V3i8, <i8 undef, i8 undef, i8 95>
14  %t1 = extractelement <3 x i8> %t0, i64 2
15  ret i8 %t1
16}
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