Files
clang-p2996/llvm/test/Transforms/InstCombine/PowerPC/vsx-unaligned.ll
Justin Bogner 3c6fbad388 InstCombine: Move tests that use target intrinsics into subdirectories
Tests with target intrinsics are inherently target specific, so it
doesn't actually make sense to run them if we've excluded their
target.

llvm-svn: 302979
2017-05-13 05:39:46 +00:00

45 lines
1.8 KiB
LLVM

; Verify that we can create unaligned loads and stores from VSX intrinsics.
; RUN: opt < %s -instcombine -S | FileCheck %s
target triple = "powerpc64-unknown-linux-gnu"
@vf = common global <4 x float> zeroinitializer, align 1
@res_vf = common global <4 x float> zeroinitializer, align 1
@vd = common global <2 x double> zeroinitializer, align 1
@res_vd = common global <2 x double> zeroinitializer, align 1
define void @test1() {
entry:
%t1 = alloca <4 x float>*, align 8
%t2 = alloca <2 x double>*, align 8
store <4 x float>* @vf, <4 x float>** %t1, align 8
%0 = load <4 x float>*, <4 x float>** %t1, align 8
%1 = bitcast <4 x float>* %0 to i8*
%2 = call <4 x i32> @llvm.ppc.vsx.lxvw4x(i8* %1)
store <4 x float>* @res_vf, <4 x float>** %t1, align 8
%3 = load <4 x float>*, <4 x float>** %t1, align 8
%4 = bitcast <4 x float>* %3 to i8*
call void @llvm.ppc.vsx.stxvw4x(<4 x i32> %2, i8* %4)
store <2 x double>* @vd, <2 x double>** %t2, align 8
%5 = load <2 x double>*, <2 x double>** %t2, align 8
%6 = bitcast <2 x double>* %5 to i8*
%7 = call <2 x double> @llvm.ppc.vsx.lxvd2x(i8* %6)
store <2 x double>* @res_vd, <2 x double>** %t2, align 8
%8 = load <2 x double>*, <2 x double>** %t2, align 8
%9 = bitcast <2 x double>* %8 to i8*
call void @llvm.ppc.vsx.stxvd2x(<2 x double> %7, i8* %9)
ret void
}
; CHECK-LABEL: @test1
; CHECK: %0 = load <4 x i32>, <4 x i32>* bitcast (<4 x float>* @vf to <4 x i32>*), align 1
; CHECK: store <4 x i32> %0, <4 x i32>* bitcast (<4 x float>* @res_vf to <4 x i32>*), align 1
; CHECK: %1 = load <2 x double>, <2 x double>* @vd, align 1
; CHECK: store <2 x double> %1, <2 x double>* @res_vd, align 1
declare <4 x i32> @llvm.ppc.vsx.lxvw4x(i8*)
declare void @llvm.ppc.vsx.stxvw4x(<4 x i32>, i8*)
declare <2 x double> @llvm.ppc.vsx.lxvd2x(i8*)
declare void @llvm.ppc.vsx.stxvd2x(<2 x double>, i8*)