diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp index 4c63588dbcf..a471aab0e51 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -5545,9 +5545,6 @@ void SelectionDAGBuilder::visitInlineAsm(ImmutableCallSite CS) { // If this is an input or an indirect output, process the call argument. // BasicBlocks are labels, currently appearing only in asm's. if (OpInfo.CallOperandVal) { - // Strip bitcasts, if any. This mostly comes up for functions. - OpInfo.CallOperandVal = OpInfo.CallOperandVal->stripPointerCasts(); - if (const BasicBlock *BB = dyn_cast(OpInfo.CallOperandVal)) { OpInfo.CallOperand = DAG.getBasicBlock(FuncInfo.MBBMap[BB]); } else { diff --git a/test/CodeGen/X86/inline-asm-ptr-cast.ll b/test/CodeGen/X86/inline-asm-ptr-cast.ll new file mode 100644 index 00000000000..e56b404cba2 --- /dev/null +++ b/test/CodeGen/X86/inline-asm-ptr-cast.ll @@ -0,0 +1,27 @@ +; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s +; ModuleID = 'bug.c' +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-n8:16:32:64" +target triple = "x86_64-unknown-linux-gnu" + +@func.flagmask = internal constant i64 1, align 8 + +define void @func() nounwind { +entry: + %src = alloca i32, align 4 + %dst = alloca i32, align 4 + %flags = alloca i64, align 8 + %newflags = alloca i64, align 8 + store i32 0, i32* %src, align 4 + store i32 0, i32* %dst, align 4 + store i64 1, i64* %flags, align 8 + store i64 -1, i64* %newflags, align 8 + %0 = bitcast i32* %dst to i8* + %tmp = load i64* %flags, align 8 + %and = and i64 %tmp, 1 + %1 = bitcast i32* %src to i8* + %tmp1 = load i8* %1 + %2 = bitcast i32* %dst to i8* + %tmp2 = load i8* %2 + call void asm "pushfq \0Aandq $2, (%rsp) \0Aorq $3, (%rsp) \0Apopfq \0Aaddb $4, $1 \0Apushfq \0Apopq $0 \0A", "=*&rm,=*&rm,i,r,r,1,~{cc},~{dirflag},~{fpsr},~{flags}"(i64* %newflags, i8* %0, i64 -2, i64 %and, i8 %tmp1, i8 %tmp2) nounwind + ret void +}