From 7d689e8b62575b7e7d2ca8ff10e4cbd06a5cca55 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Fri, 17 Nov 2006 20:41:55 +0000 Subject: [PATCH] Add a x86-64 test case: movb %sil, %ah is illegal. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31829 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/2006-11-17-IllegalMove.ll | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 test/CodeGen/X86/2006-11-17-IllegalMove.ll diff --git a/test/CodeGen/X86/2006-11-17-IllegalMove.ll b/test/CodeGen/X86/2006-11-17-IllegalMove.ll new file mode 100644 index 00000000000..c4b97c9cfdd --- /dev/null +++ b/test/CodeGen/X86/2006-11-17-IllegalMove.ll @@ -0,0 +1,41 @@ +; RUN: llvm-as < %s | llc -march=x86-64 && +; RUN: llvm-as < %s | llc -march=x86-64 | not grep 'movb %sil, %ah' && +; RUN: llvm-as < %s | llc -march=x86-64 | grep 'movzbw %al, %ax' + +void %handle_vector_size_attribute() { +entry: + %tmp69 = load uint* null ; [#uses=1] + switch uint %tmp69, label %bb84 [ + uint 2, label %bb77 + uint 1, label %bb77 + ] + +bb77: ; preds = %entry, %entry + %tmp99 = udiv ulong 0, 0 ; [#uses=1] + %tmp = load ubyte* null ; [#uses=1] + %tmp114 = seteq ulong 0, 0 ; [#uses=1] + br bool %tmp114, label %cond_true115, label %cond_next136 + +bb84: ; preds = %entry + ret void + +cond_true115: ; preds = %bb77 + %tmp118 = load ubyte* null ; [#uses=1] + br bool false, label %cond_next129, label %cond_true120 + +cond_true120: ; preds = %cond_true115 + %tmp127 = udiv ubyte %tmp, %tmp118 ; [#uses=1] + %tmp127 = cast ubyte %tmp127 to ulong ; [#uses=1] + br label %cond_next129 + +cond_next129: ; preds = %cond_true120, %cond_true115 + %iftmp.30.0 = phi ulong [ %tmp127, %cond_true120 ], [ 0, %cond_true115 ] ; [#uses=1] + %tmp132 = seteq ulong %iftmp.30.0, %tmp99 ; [#uses=1] + br bool %tmp132, label %cond_false148, label %cond_next136 + +cond_next136: ; preds = %cond_next129, %bb77 + ret void + +cond_false148: ; preds = %cond_next129 + ret void +} -- 2.34.1