llvm-6502/test/CodeGen/X86/i1narrowfail.ll
Elena Demikhovsky cdce03426d Fixed a bug in narrowing store operation.
Type MVT::i1 became legal in KNL, but store operation can't be narrowed to this type,
since the size of VT (1 bit) is not equal to its actual store size(8 bits).

Added a test provided by David (dag@cray.com)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226805 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-22 09:39:08 +00:00

11 lines
250 B
LLVM

; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl | FileCheck %s
; CHECK-LABEL: @foo
; CHECK: orb $16
define void @foo(i64* %ptr) {
%r11 = load i64* %ptr, align 8
%r12 = or i64 16, %r11
store i64 %r12, i64* %ptr, align 8
ret void
}