1 files changed, 44 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/vsx-unaligned.ll b/test/Transforms/InstCombine/vsx-unaligned.ll
new file mode 100644
index 0000000..26e0426
--- /dev/null
+++ b/test/Transforms/InstCombine/vsx-unaligned.ll
@@ -0,0 +1,44 @@
+; 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>** %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>** %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>** %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>** %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>* 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>* @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*)