New test to verify that "merging 4 loads into a vec load" continues to work and

continues to infer alignment info.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46403 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/vec_align.ll b/test/CodeGen/X86/vec_align.ll
new file mode 100644 (file)
index 0000000..8d70c9a
--- /dev/null
+++ b/test/CodeGen/X86/vec_align.ll
@@ -0,0 +1,35 @@
+; RUN: llvm-as < %s | llc -mcpu=yonah -relocation-model=static | grep movaps | count 2
+
+target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
+target triple = "i686-apple-darwin8"
+
+%f4 = type <4 x float>
+
+@G = external global { float,float,float,float}, align 16
+
+define %f4 @test1(float %W, float %X, float %Y, float %Z) {
+        %tmp = insertelement %f4 undef, float %W, i32 0
+        %tmp2 = insertelement %f4 %tmp, float %X, i32 1
+        %tmp4 = insertelement %f4 %tmp2, float %Y, i32 2
+        %tmp6 = insertelement %f4 %tmp4, float %Z, i32 3
+       ret %f4 %tmp6
+}
+
+define %f4 @test2() {
+       %Wp = getelementptr { float,float,float,float}* @G, i32 0, i32 0
+       %Xp = getelementptr { float,float,float,float}* @G, i32 0, i32 1
+       %Yp = getelementptr { float,float,float,float}* @G, i32 0, i32 2
+       %Zp = getelementptr { float,float,float,float}* @G, i32 0, i32 3
+       
+       %W = load float* %Wp
+       %X = load float* %Xp
+       %Y = load float* %Yp
+       %Z = load float* %Zp
+
+        %tmp = insertelement %f4 undef, float %W, i32 0
+        %tmp2 = insertelement %f4 %tmp, float %X, i32 1
+        %tmp4 = insertelement %f4 %tmp2, float %Y, i32 2
+        %tmp6 = insertelement %f4 %tmp4, float %Z, i32 3
+       ret %f4 %tmp6
+}
+