29 lines
1.4 KiB
LLVM
29 lines
1.4 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||
|
|
; RUN: opt < %s -basic-aa -slp-vectorizer -S -mtriple=thumbv7-apple-ios3.0.0 -mcpu=swift | FileCheck %s
|
||
|
|
|
||
|
|
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
|
||
|
|
|
||
|
|
; On swift unaligned <2 x double> stores need 4uops and it is there for cheaper
|
||
|
|
; to do this scalar.
|
||
|
|
|
||
|
|
define void @expensive_double_store(double* noalias %dst, double* noalias %src, i64 %count) {
|
||
|
|
; CHECK-LABEL: @expensive_double_store(
|
||
|
|
; CHECK-NEXT: entry:
|
||
|
|
; CHECK-NEXT: [[TMP0:%.*]] = load double, double* [[SRC:%.*]], align 8
|
||
|
|
; CHECK-NEXT: store double [[TMP0]], double* [[DST:%.*]], align 8
|
||
|
|
; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds double, double* [[SRC]], i64 1
|
||
|
|
; CHECK-NEXT: [[TMP1:%.*]] = load double, double* [[ARRAYIDX2]], align 8
|
||
|
|
; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds double, double* [[DST]], i64 1
|
||
|
|
; CHECK-NEXT: store double [[TMP1]], double* [[ARRAYIDX3]], align 8
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
entry:
|
||
|
|
%0 = load double, double* %src, align 8
|
||
|
|
store double %0, double* %dst, align 8
|
||
|
|
%arrayidx2 = getelementptr inbounds double, double* %src, i64 1
|
||
|
|
%1 = load double, double* %arrayidx2, align 8
|
||
|
|
%arrayidx3 = getelementptr inbounds double, double* %dst, i64 1
|
||
|
|
store double %1, double* %arrayidx3, align 8
|
||
|
|
ret void
|
||
|
|
}
|