mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 18:54:02 +01:00
a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
43 lines
1.6 KiB
LLVM
43 lines
1.6 KiB
LLVM
;RUN: opt < %s -loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -instcombine -S | FileCheck %s
|
|
|
|
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
;; Check consecutive memory access without preceding GEP instruction
|
|
|
|
; for (int i=0; i<len; i++) {
|
|
; *to++ = *from++;
|
|
; }
|
|
|
|
; CHECK-LABEL: @consecutive_no_gep(
|
|
; CHECK: vector.body
|
|
; CHECK: %[[index:.*]] = phi i64 [ 0, %vector.ph ]
|
|
; CHECK: getelementptr float, float* %{{.*}}, i64 %[[index]]
|
|
; CHECK: load <4 x float>
|
|
|
|
define void @consecutive_no_gep(float* noalias nocapture readonly %from, float* noalias nocapture %to, i32 %len) #0 {
|
|
entry:
|
|
%cmp2 = icmp sgt i32 %len, 0
|
|
br i1 %cmp2, label %for.body.preheader, label %for.end
|
|
|
|
for.body.preheader: ; preds = %entry
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %for.body.preheader, %for.body
|
|
%i.05 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
|
|
%from.addr.04 = phi float* [ %incdec.ptr, %for.body ], [ %from, %for.body.preheader ]
|
|
%to.addr.03 = phi float* [ %incdec.ptr1, %for.body ], [ %to, %for.body.preheader ]
|
|
%incdec.ptr = getelementptr inbounds float, float* %from.addr.04, i64 1
|
|
%val = load float, float* %from.addr.04, align 4
|
|
%incdec.ptr1 = getelementptr inbounds float, float* %to.addr.03, i64 1
|
|
store float %val, float* %to.addr.03, align 4
|
|
%inc = add nsw i32 %i.05, 1
|
|
%cmp = icmp slt i32 %inc, %len
|
|
br i1 %cmp, label %for.body, label %for.end.loopexit
|
|
|
|
for.end.loopexit: ; preds = %for.body
|
|
br label %for.end
|
|
|
|
for.end: ; preds = %for.end.loopexit, %entry
|
|
ret void
|
|
}
|