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[X86] Change fixup-bw-inst.ll to test output with this optimization on and off. 

Differential Revision: http://reviews.llvm.org/D17415

llvm-svn: 261332
This commit is contained in:
Kevin B. Smith 2016-02-19 16:20:48 +00:00
parent ad1dafb2c3
commit 652128d48c
1 changed files with 10 additions and 4 deletions
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14
llvm/test/CodeGen/X86/fixup-bw-inst.ll
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@ -1,4 +1,7 @@
; RUN: llc -fixup-byte-word-insts -march=x86-64 < %s | FileCheck %s
; RUN: llc -fixup-byte-word-insts=1 -march=x86-64 < %s | \
; RUN: FileCheck -check-prefix CHECK -check-prefix BWON %s
; RUN: llc -fixup-byte-word-insts=0 -march=x86-64 < %s | \
; RUN: FileCheck -check-prefix CHECK -check-prefix BWOFF %s
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.8.0"
@ -12,7 +15,8 @@ target triple = "x86_64-apple-macosx10.8.0"
; not being accurate enough.
; CHECK-LABEL: foo1
; load:
; CHECK: movzbl
; BWON: movzbl
; BWOFF: movb
; store:
; CHECK: movb
; load:
@ -59,7 +63,8 @@ a4: ; preds = %4, %.lr.ph
; not being accurate enough.
; CHECK-LABEL: foo2
; load:
; CHECK: movzwl
; BWON: movzwl
; BWOFF: movw
; store:
; CHECK: movw
; load:
@ -113,7 +118,8 @@ define void @foo3(i8 *%dst, i8 *%src) {
; movw and movzwl are the same size, we should always choose to use
; movzwl instead.
; CHECK-LABEL: foo4:
; CHECK: movzwl
; BWON: movzwl
; BWOFF: movw
; CHECK: movw
define void @foo4(i16 *%dst, i16 *%src) {
%t0 = load i16, i16 *%src, align 2