julia test

Author: YonahGoldberg

llvm/test/Transforms/SROA/prefer-integer-partition.ll

@@ -62,6 +62,28 @@ _ZNK4pbrt3SOAINS_10RaySamplesEEixEi.exit:         ; preds = %0, %6
   ret <2 x float> %.sroa.01.0.copyload
 }
 
+define void @test_float_array_only_intrinsics() {
+; CHECK-LABEL: @test_float_array_only_intrinsics(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    ret void
+;
+entry:
+  %src = alloca [2 x float], align 4
+  %dst = alloca [2 x float], align 4
+
+  call void @llvm.lifetime.start.p0(i64 8, ptr %src)
+  call void @llvm.lifetime.start.p0(i64 8, ptr %dst)
+
+  ; Only intrinsic uses - no scalar loads/stores to establish common type
+  call void @llvm.memset.p0.i64(ptr %src, i8 42, i64 8, i1 false)
+  call void @llvm.memcpy.p0.p0.i64(ptr %dst, ptr %src, i64 8, i1 false)
+  call void @llvm.memcpy.p0.p0.i64(ptr %src, ptr %dst, i64 8, i1 false)
+
+  call void @llvm.lifetime.end.p0(i64 8, ptr %dst)
+  call void @llvm.lifetime.end.p0(i64 8, ptr %src)
+  ret void
+}
+
 define void @test_mixed_types() {
 ; CHECK-LABEL: @test_mixed_types(
 ; CHECK-NEXT:  entry: