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29 lines
728 B
LLVM
29 lines
728 B
LLVM
; RUN: llvm-as < %s | llc -march=x86 | grep -A 2 {call.*f} | grep movl
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; Check the register copy comes after the call to f and before the call to g
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; PR3784
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declare i32 @f()
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declare i32 @g()
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define i32 @phi() {
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entry:
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%a = call i32 @f() ; <i32> [#uses=1]
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%b = invoke i32 @g()
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to label %cont unwind label %lpad ; <i32> [#uses=1]
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cont: ; preds = %entry
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%x = phi i32 [ %b, %entry ] ; <i32> [#uses=0]
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%aa = call i32 @g() ; <i32> [#uses=1]
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%bb = invoke i32 @g()
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to label %cont2 unwind label %lpad ; <i32> [#uses=1]
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cont2: ; preds = %cont
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%xx = phi i32 [ %bb, %cont ] ; <i32> [#uses=1]
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ret i32 %xx
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lpad: ; preds = %cont, %entry
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%y = phi i32 [ %a, %entry ], [ %aa, %cont ] ; <i32> [#uses=1]
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ret i32 %y
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}
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