Fix CodeGenPrepare's address-mode sinking to handle unusual
addresses, involving Base values which do not have Pointer type.
This fixes PR4297.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72739 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/codegen-prepare-cast.ll b/test/CodeGen/X86/codegen-prepare-cast.ll
new file mode 100644
index 0000000..ae3eb5f
--- /dev/null
+++ b/test/CodeGen/X86/codegen-prepare-cast.ll
@@ -0,0 +1,24 @@
+; RUN: llvm-as < %s | llc -march=x86-64
+; PR4297
+
+target datalayout =
+"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
+target triple = "x86_64-unknown-linux-gnu"
+ %"byte[]" = type { i64, i8* }
+ %"char[][]" = type { i64, %"byte[]"* }
+@.str = external constant [7 x i8] ; <[7 x i8]*> [#uses=1]
+
+define fastcc i32 @_Dmain(%"char[][]" %unnamed) {
+entry:
+ %tmp = getelementptr [7 x i8]* @.str, i32 0, i32 0 ; <i8*> [#uses=1]
+ br i1 undef, label %foreachbody, label %foreachend
+
+foreachbody: ; preds = %entry
+ %tmp4 = getelementptr i8* %tmp, i32 undef ; <i8*> [#uses=1]
+ %tmp5 = load i8* %tmp4 ; <i8> [#uses=0]
+ unreachable
+
+foreachend: ; preds = %entry
+ ret i32 0
+}
+