a99dd8344e
Many tests were running extra passes after loop-vectorize, but they made no difference to the outcome. If tests don't require these extra passes, then we shouldn't run them because it increases the testing time.
49 lines
1.7 KiB
LLVM
49 lines
1.7 KiB
LLVM
; RUN: opt < %s -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %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"
|
|
|
|
;CHECK-LABEL: @read_mod_write_single_ptr(
|
|
;CHECK: load <4 x float>
|
|
;CHECK: ret void
|
|
define void @read_mod_write_single_ptr(ptr nocapture %a, i32 %n) {
|
|
%1 = icmp sgt i32 %n, 0
|
|
br i1 %1, label %.lr.ph, label %._crit_edge
|
|
|
|
.lr.ph:
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
|
|
%2 = getelementptr inbounds float, ptr %a, i64 %indvars.iv
|
|
%3 = load float, ptr %2, align 4
|
|
%4 = fmul float %3, 3.000000e+00
|
|
store float %4, ptr %2, align 4
|
|
%indvars.iv.next = add i64 %indvars.iv, 1
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %n
|
|
br i1 %exitcond, label %._crit_edge, label %.lr.ph
|
|
|
|
._crit_edge:
|
|
ret void
|
|
}
|
|
|
|
; Ensure that volatile stores are not vectorized.
|
|
; CHECK-LABEL: @read_mod_write_single_ptr_volatile_store(
|
|
; CHECK-NOT: store <4 x float>
|
|
; CHECK: ret void
|
|
define void @read_mod_write_single_ptr_volatile_store(ptr nocapture %a, i32 %n) {
|
|
%1 = icmp sgt i32 %n, 0
|
|
br i1 %1, label %.lr.ph, label %._crit_edge
|
|
|
|
.lr.ph:
|
|
%indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
|
|
%2 = getelementptr inbounds float, ptr %a, i64 %indvars.iv
|
|
%3 = load float, ptr %2, align 4
|
|
%4 = fmul float %3, 3.000000e+00
|
|
store volatile float %4, ptr %2, align 4
|
|
%indvars.iv.next = add i64 %indvars.iv, 1
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
%exitcond = icmp eq i32 %lftr.wideiv, %n
|
|
br i1 %exitcond, label %._crit_edge, label %.lr.ph
|
|
|
|
._crit_edge:
|
|
ret void
|
|
}
|