diff options
-rw-r--r-- | lib/Transforms/Scalar/CodeGenPrepare.cpp | 5 | ||||
-rw-r--r-- | test/CodeGen/X86/codegen-prepare-cast.ll | 24 |
2 files changed, 28 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/CodeGenPrepare.cpp b/lib/Transforms/Scalar/CodeGenPrepare.cpp index 342b1e5..42978e7 100644 --- a/lib/Transforms/Scalar/CodeGenPrepare.cpp +++ b/lib/Transforms/Scalar/CodeGenPrepare.cpp @@ -624,8 +624,11 @@ bool CodeGenPrepare::OptimizeMemoryInst(Instruction *MemoryInst, Value *Addr, // Add in the base register. if (AddrMode.BaseReg) { Value *V = AddrMode.BaseReg; - if (V->getType() != IntPtrTy) + if (isa<PointerType>(V->getType())) V = new PtrToIntInst(V, IntPtrTy, "sunkaddr", InsertPt); + if (V->getType() != IntPtrTy) + V = CastInst::CreateIntegerCast(V, IntPtrTy, /*isSigned=*/true, + "sunkaddr", InsertPt); if (Result) Result = BinaryOperator::CreateAdd(Result, V, "sunkaddr", InsertPt); else 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 +} + |