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Add a x86-64 test case: movb %sil, %ah is illegal.

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llvm-svn: 31829
This commit is contained in:
Evan Cheng 2006-11-17 20:41:55 +00:00
parent a1f032c03a
commit 37e2931b0a
1 changed files with 41 additions and 0 deletions
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test/Regression/CodeGen/X86/2006-11-17-IllegalMove.ll Normal file
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; 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 ; <uint> [#uses=1]
switch uint %tmp69, label %bb84 [
uint 2, label %bb77
uint 1, label %bb77
]
bb77: ; preds = %entry, %entry
%tmp99 = udiv ulong 0, 0 ; <ulong> [#uses=1]
%tmp = load ubyte* null ; <ubyte> [#uses=1]
%tmp114 = seteq ulong 0, 0 ; <bool> [#uses=1]
br bool %tmp114, label %cond_true115, label %cond_next136
bb84: ; preds = %entry
ret void
cond_true115: ; preds = %bb77
%tmp118 = load ubyte* null ; <ubyte> [#uses=1]
br bool false, label %cond_next129, label %cond_true120
cond_true120: ; preds = %cond_true115
%tmp127 = udiv ubyte %tmp, %tmp118 ; <ubyte> [#uses=1]
%tmp127 = cast ubyte %tmp127 to ulong ; <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 ] ; <ulong> [#uses=1]
%tmp132 = seteq ulong %iftmp.30.0, %tmp99 ; <bool> [#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
}