add a test RUN to show unexpected behavior

llvm-svn: 263037
This commit is contained in:
Sanjay Patel 2016-03-09 17:53:28 +00:00
parent e96f8b52d9
commit 14f598e5df
1 changed files with 10 additions and 7 deletions

View File

@ -1,11 +1,12 @@
; RUN: opt < %s -loop-vectorize -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx -S | FileCheck %s
; RUN: opt < %s -loop-vectorize -mattr=avx,+slow-unaligned-mem-32 -S | FileCheck %s --check-prefix=SLOWMEM32 --check-prefix=CHECK
; RUN: opt < %s -loop-vectorize -mattr=avx,-slow-unaligned-mem-32 -S | FileCheck %s --check-prefix=FASTMEM32 --check-prefix=CHECK
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"
;CHECK-LABEL: @read_mod_write_single_ptr(
;CHECK: load <8 x float>
;CHECK: ret i32
; CHECK-LABEL: @read_mod_write_single_ptr(
; CHECK: load <8 x float>
; CHECK: ret i32
define i32 @read_mod_write_single_ptr(float* nocapture %a, i32 %n) nounwind uwtable ssp {
%1 = icmp sgt i32 %n, 0
br i1 %1, label %.lr.ph, label %._crit_edge
@ -25,10 +26,11 @@ define i32 @read_mod_write_single_ptr(float* nocapture %a, i32 %n) nounwind uwta
ret i32 undef
}
;;; FIXME: If 32-byte accesses are fast, this should use a <4 x i64> load.
;CHECK-LABEL: @read_mod_i64(
;CHECK: load <2 x i64>
;CHECK: ret i32
; CHECK-LABEL: @read_mod_i64(
; CHECK: load <2 x i64>
; CHECK: ret i32
define i32 @read_mod_i64(i64* nocapture %a, i32 %n) nounwind uwtable ssp {
%1 = icmp sgt i32 %n, 0
br i1 %1, label %.lr.ph, label %._crit_edge
@ -47,3 +49,4 @@ define i32 @read_mod_i64(i64* nocapture %a, i32 %n) nounwind uwtable ssp {
._crit_edge: ; preds = %.lr.ph, %0
ret i32 undef
}