mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-25 14:32:53 +00:00
65 lines
3.1 KiB
LLVM
65 lines
3.1 KiB
LLVM
|
; RUN: llc < %s -mtriple=i386-apple-darwin10
|
||
|
|
; PR4910
|
||
|
|
|
||
|
|
%0 = type { i32, i32, i32, i32 }
|
||
|
|
|
||
|
|
@boot_cpu_id = external global i32 ; <i32*> [#uses=1]
|
||
|
|
@cpu_logical = common global i32 0, align 4 ; <i32*> [#uses=1]
|
||
|
|
|
||
|
|
define void @topo_probe_0xb() nounwind ssp {
|
||
|
|
entry:
|
||
|
|
br label %for.cond
|
||
|
|
|
||
|
|
for.cond: ; preds = %for.inc38, %entry
|
||
|
|
%0 = phi i32 [ 0, %entry ], [ %inc40, %for.inc38 ] ; <i32> [#uses=3]
|
||
|
|
%cmp = icmp slt i32 %0, 3 ; <i1> [#uses=1]
|
||
|
|
br i1 %cmp, label %for.body, label %for.end41
|
||
|
|
|
||
|
|
for.body: ; preds = %for.cond
|
||
|
|
%1 = tail call %0 asm sideeffect "cpuid", "={ax},={bx},={cx},={dx},0,{cx},~{dirflag},~{fpsr},~{flags}"(i32 11, i32 %0) nounwind ; <%0> [#uses=3]
|
||
|
|
%asmresult.i = extractvalue %0 %1, 0 ; <i32> [#uses=1]
|
||
|
|
%asmresult10.i = extractvalue %0 %1, 2 ; <i32> [#uses=1]
|
||
|
|
%and = and i32 %asmresult.i, 31 ; <i32> [#uses=2]
|
||
|
|
%shr42 = lshr i32 %asmresult10.i, 8 ; <i32> [#uses=1]
|
||
|
|
%and12 = and i32 %shr42, 255 ; <i32> [#uses=2]
|
||
|
|
%cmp14 = icmp eq i32 %and12, 0 ; <i1> [#uses=1]
|
||
|
|
br i1 %cmp14, label %for.end41, label %lor.lhs.false
|
||
|
|
|
||
|
|
lor.lhs.false: ; preds = %for.body
|
||
|
|
%asmresult9.i = extractvalue %0 %1, 1 ; <i32> [#uses=1]
|
||
|
|
%and7 = and i32 %asmresult9.i, 65535 ; <i32> [#uses=1]
|
||
|
|
%cmp16 = icmp eq i32 %and7, 0 ; <i1> [#uses=1]
|
||
|
|
br i1 %cmp16, label %for.end41, label %for.cond17.preheader
|
||
|
|
|
||
|
|
for.cond17.preheader: ; preds = %lor.lhs.false
|
||
|
|
%tmp24 = load i32* @boot_cpu_id ; <i32> [#uses=1]
|
||
|
|
%shr26 = ashr i32 %tmp24, %and ; <i32> [#uses=1]
|
||
|
|
br label %for.body20
|
||
|
|
|
||
|
|
for.body20: ; preds = %for.body20, %for.cond17.preheader
|
||
|
|
%2 = phi i32 [ 0, %for.cond17.preheader ], [ %inc32, %for.body20 ] ; <i32> [#uses=2]
|
||
|
|
%cnt.143 = phi i32 [ 0, %for.cond17.preheader ], [ %inc.cnt.1, %for.body20 ] ; <i32> [#uses=1]
|
||
|
|
%shr23 = ashr i32 %2, %and ; <i32> [#uses=1]
|
||
|
|
%cmp27 = icmp eq i32 %shr23, %shr26 ; <i1> [#uses=1]
|
||
|
|
%inc = zext i1 %cmp27 to i32 ; <i32> [#uses=1]
|
||
|
|
%inc.cnt.1 = add i32 %inc, %cnt.143 ; <i32> [#uses=2]
|
||
|
|
%inc32 = add nsw i32 %2, 1 ; <i32> [#uses=2]
|
||
|
|
%exitcond = icmp eq i32 %inc32, 255 ; <i1> [#uses=1]
|
||
|
|
br i1 %exitcond, label %for.end, label %for.body20
|
||
|
|
|
||
|
|
for.end: ; preds = %for.body20
|
||
|
|
%cmp34 = icmp eq i32 %and12, 1 ; <i1> [#uses=1]
|
||
|
|
br i1 %cmp34, label %if.then35, label %for.inc38
|
||
|
|
|
||
|
|
if.then35: ; preds = %for.end
|
||
|
|
store i32 %inc.cnt.1, i32* @cpu_logical
|
||
|
|
br label %for.inc38
|
||
|
|
|
||
|
|
for.inc38: ; preds = %for.end, %if.then35
|
||
|
|
%inc40 = add nsw i32 %0, 1 ; <i32> [#uses=1]
|
||
|
|
br label %for.cond
|
||
|
|
|
||
|
|
for.end41: ; preds = %lor.lhs.false, %for.body, %for.cond
|
||
|
|
ret void
|
||
|
|
}
|