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vr1024 = extract_subreg vr1025, 1 ... vr1024 = mov8rr AH If vr1024 is coalesced with AH, the extract_subreg is now illegal since AH does not have a super-reg whose sub-register 1 is AH. llvm-svn: 56118
34 lines
1.1 KiB
LLVM
34 lines
1.1 KiB
LLVM
; RUN: llvm-as < %s | llc -march=x86
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; PR2748
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@g_73 = external global i32 ; <i32*> [#uses=1]
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@g_5 = external global i32 ; <i32*> [#uses=1]
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define i32 @func_44(i16 signext %p_46) nounwind {
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entry:
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%0 = load i32* @g_5, align 4 ; <i32> [#uses=1]
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%1 = ashr i32 %0, 1 ; <i32> [#uses=1]
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%2 = icmp sgt i32 %1, 1 ; <i1> [#uses=1]
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%3 = zext i1 %2 to i32 ; <i32> [#uses=1]
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%4 = load i32* @g_73, align 4 ; <i32> [#uses=1]
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%5 = zext i16 %p_46 to i64 ; <i64> [#uses=1]
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%6 = sub i64 0, %5 ; <i64> [#uses=1]
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%7 = trunc i64 %6 to i8 ; <i8> [#uses=2]
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%8 = trunc i32 %4 to i8 ; <i8> [#uses=2]
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%9 = icmp eq i8 %8, 0 ; <i1> [#uses=1]
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br i1 %9, label %bb11, label %bb12
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bb11: ; preds = %entry
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%10 = urem i8 %7, %8 ; <i8> [#uses=1]
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br label %bb12
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bb12: ; preds = %bb11, %entry
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%.014.in = phi i8 [ %10, %bb11 ], [ %7, %entry ] ; <i8> [#uses=1]
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%11 = icmp ne i8 %.014.in, 0 ; <i1> [#uses=1]
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%12 = zext i1 %11 to i32 ; <i32> [#uses=1]
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%13 = tail call i32 (...)* @func_48( i32 %12, i32 %3, i32 0 ) nounwind ; <i32> [#uses=0]
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ret i32 undef
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}
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declare i32 @func_48(...)
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