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llvm-mirror/test/Transforms/MemCpyOpt/nontemporal.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

50 lines
2.7 KiB
LLVM

; RUN: opt < %s -memcpyopt -S | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
; Verify that we don't combine nontemporal stores into memset calls.
define void @nontemporal_stores_1(<4 x float>* nocapture %dst) {
; CHECK-LABEL: @nontemporal_stores_1
; CHECK: store <4 x float> zeroinitializer, <4 x float>* %dst, align 16, !nontemporal !0
; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr1, align 16, !nontemporal !0
; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr2, align 16, !nontemporal !0
; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr3, align 16, !nontemporal !0
; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr4, align 16, !nontemporal !0
; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr5, align 16, !nontemporal !0
; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr6, align 16, !nontemporal !0
; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr7, align 16, !nontemporal !0
; CHECK-NEXT: ret void
entry:
store <4 x float> zeroinitializer, <4 x float>* %dst, align 16, !nontemporal !0
%ptr1 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 1
store <4 x float> zeroinitializer, <4 x float>* %ptr1, align 16, !nontemporal !0
%ptr2 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 2
store <4 x float> zeroinitializer, <4 x float>* %ptr2, align 16, !nontemporal !0
%ptr3 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 3
store <4 x float> zeroinitializer, <4 x float>* %ptr3, align 16, !nontemporal !0
%ptr4 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 4
store <4 x float> zeroinitializer, <4 x float>* %ptr4, align 16, !nontemporal !0
%ptr5 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 5
store <4 x float> zeroinitializer, <4 x float>* %ptr5, align 16, !nontemporal !0
%ptr6 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 6
store <4 x float> zeroinitializer, <4 x float>* %ptr6, align 16, !nontemporal !0
%ptr7 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 7
store <4 x float> zeroinitializer, <4 x float>* %ptr7, align 16, !nontemporal !0
ret void
}
define void @nontemporal_stores_2(<4 x float>* nocapture %dst) {
; CHECK-LABEL: @nontemporal_stores_2
; CHECK: store <4 x float> zeroinitializer, <4 x float>* %dst, align 16, !nontemporal !0
; CHECK: store <4 x float> zeroinitializer, <4 x float>* %ptr1, align 16, !nontemporal !0
; CHECK-NEXT: ret void
entry:
store <4 x float> zeroinitializer, <4 x float>* %dst, align 16, !nontemporal !0
%ptr1 = getelementptr inbounds <4 x float>, <4 x float>* %dst, i64 1
store <4 x float> zeroinitializer, <4 x float>* %ptr1, align 16, !nontemporal !0
ret void
}
!0 = !{i32 1}