| ; RUN: opt -passes=jump-threading -S < %s | FileCheck %s |
| |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| target triple = "x86_64-apple-darwin10.0.0" |
| |
| %class.StringSwitch = type { ptr, i32, i32, i8 } |
| |
| @.str = private constant [4 x i8] c"red\00" ; <ptr> [#uses=1] |
| @.str1 = private constant [7 x i8] c"orange\00" ; <ptr> [#uses=1] |
| @.str2 = private constant [7 x i8] c"yellow\00" ; <ptr> [#uses=1] |
| @.str3 = private constant [6 x i8] c"green\00" ; <ptr> [#uses=1] |
| @.str4 = private constant [5 x i8] c"blue\00" ; <ptr> [#uses=1] |
| @.str5 = private constant [7 x i8] c"indigo\00" ; <ptr> [#uses=1] |
| @.str6 = private constant [7 x i8] c"violet\00" ; <ptr> [#uses=1] |
| @.str7 = private constant [12 x i8] c"Color = %d\0A\00" ; <ptr> [#uses=1] |
| |
| define i32 @main(i32 %argc, ptr nocapture %argv) nounwind ssp { |
| entry: |
| %cmp142 = icmp sgt i32 %argc, 1 ; <i1> [#uses=1] |
| br i1 %cmp142, label %bb.nph, label %for.end |
| |
| bb.nph: ; preds = %entry |
| %tmp = add i32 %argc, -2 ; <i32> [#uses=1] |
| %tmp144 = zext i32 %tmp to i64 ; <i64> [#uses=1] |
| %tmp145 = add i64 %tmp144, 1 ; <i64> [#uses=1] |
| br label %land.lhs.true.i |
| |
| land.lhs.true.i: ; preds = %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit134, %bb.nph |
| %retval.0.i.pre161 = phi i32 [ undef, %bb.nph ], [ %retval.0.i.pre, %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit134 ] ; <i32> [#uses=3] |
| %indvar = phi i64 [ 0, %bb.nph ], [ %tmp146, %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit134 ] ; <i64> [#uses=1] |
| %tmp146 = add i64 %indvar, 1 ; <i64> [#uses=3] |
| %arrayidx = getelementptr ptr, ptr %argv, i64 %tmp146 ; <ptr> [#uses=1] |
| %tmp6 = load ptr, ptr %arrayidx, align 8 ; <ptr> [#uses=8] |
| %call.i.i = call i64 @strlen(ptr %tmp6) nounwind ; <i64> [#uses=1] |
| %conv.i.i = trunc i64 %call.i.i to i32 ; <i32> [#uses=6]\ |
| ; CHECK: switch i32 %conv.i.i |
| ; CHECK-NOT: if.then.i40 |
| ; CHECK: } |
| switch i32 %conv.i.i, label %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit [ |
| i32 3, label %land.lhs.true5.i |
| i32 6, label %land.lhs.true5.i37 |
| ] |
| |
| land.lhs.true5.i: ; preds = %land.lhs.true.i |
| %call.i = call i32 @memcmp(ptr @.str, ptr %tmp6, i64 4) nounwind ; <i32> [#uses=1] |
| %cmp9.i = icmp eq i32 %call.i, 0 ; <i1> [#uses=1] |
| br i1 %cmp9.i, label %_ZN12StringSwitchI5ColorE4CaseILj4EEERS1_RAT__KcRKS0_.exit, label %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit |
| |
| _ZN12StringSwitchI5ColorE4CaseILj4EEERS1_RAT__KcRKS0_.exit: ; preds = %land.lhs.true5.i |
| br label %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit |
| |
| land.lhs.true5.i37: ; preds = %land.lhs.true.i |
| %call.i35 = call i32 @memcmp(ptr @.str1, ptr %tmp6, i64 7) nounwind ; <i32> [#uses=1] |
| %cmp9.i36 = icmp eq i32 %call.i35, 0 ; <i1> [#uses=1] |
| br i1 %cmp9.i36, label %if.then.i40, label %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit |
| |
| if.then.i40: ; preds = %land.lhs.true5.i37 |
| br label %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit |
| |
| _ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit: ; preds = %if.then.i40, %land.lhs.true5.i37, %_ZN12StringSwitchI5ColorE4CaseILj4EEERS1_RAT__KcRKS0_.exit, %land.lhs.true5.i, %land.lhs.true.i |
| %retval.0.i.pre159 = phi i32 [ 1, %_ZN12StringSwitchI5ColorE4CaseILj4EEERS1_RAT__KcRKS0_.exit ], [ %retval.0.i.pre161, %land.lhs.true5.i37 ], [ 2, %if.then.i40 ], [ %retval.0.i.pre161, %land.lhs.true5.i ], [ %retval.0.i.pre161, %land.lhs.true.i ] ; <i32> [#uses=2] |
| %tmp2.i44 = phi i8 [ 1, %_ZN12StringSwitchI5ColorE4CaseILj4EEERS1_RAT__KcRKS0_.exit ], [ 0, %land.lhs.true5.i37 ], [ 1, %if.then.i40 ], [ 0, %land.lhs.true5.i ], [ 0, %land.lhs.true.i ] ; <i8> [#uses=3] |
| %tobool.i46 = icmp eq i8 %tmp2.i44, 0 ; <i1> [#uses=1] |
| %cmp.i49 = icmp eq i32 %conv.i.i, 6 ; <i1> [#uses=1] |
| %or.cond = and i1 %tobool.i46, %cmp.i49 ; <i1> [#uses=1] |
| br i1 %or.cond, label %land.lhs.true5.i55, label %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit60 |
| |
| land.lhs.true5.i55: ; preds = %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit |
| %call.i53 = call i32 @memcmp(ptr @.str2, ptr %tmp6, i64 7) nounwind ; <i32> [#uses=1] |
| %cmp9.i54 = icmp eq i32 %call.i53, 0 ; <i1> [#uses=1] |
| br i1 %cmp9.i54, label %if.then.i58, label %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit60 |
| |
| if.then.i58: ; preds = %land.lhs.true5.i55 |
| br label %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit60 |
| |
| _ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit60: ; preds = %if.then.i58, %land.lhs.true5.i55, %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit |
| %retval.0.i.pre158 = phi i32 [ %retval.0.i.pre159, %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit ], [ %retval.0.i.pre159, %land.lhs.true5.i55 ], [ 3, %if.then.i58 ] ; <i32> [#uses=2] |
| %tmp2.i63 = phi i8 [ %tmp2.i44, %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit ], [ %tmp2.i44, %land.lhs.true5.i55 ], [ 1, %if.then.i58 ] ; <i8> [#uses=3] |
| %tmp14.i64 = and i8 %tmp2.i63, 1 ; <i8> [#uses=1] |
| %tobool.i65 = icmp eq i8 %tmp14.i64, 0 ; <i1> [#uses=1] |
| %cmp.i68 = icmp eq i32 %conv.i.i, 5 ; <i1> [#uses=1] |
| %or.cond168 = and i1 %tobool.i65, %cmp.i68 ; <i1> [#uses=1] |
| br i1 %or.cond168, label %land.lhs.true5.i74, label %_ZN12StringSwitchI5ColorE4CaseILj6EEERS1_RAT__KcRKS0_.exit |
| |
| land.lhs.true5.i74: ; preds = %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit60 |
| %call.i72 = call i32 @memcmp(ptr @.str3, ptr %tmp6, i64 6) nounwind ; <i32> [#uses=1] |
| %cmp9.i73 = icmp eq i32 %call.i72, 0 ; <i1> [#uses=1] |
| br i1 %cmp9.i73, label %if.then.i77, label %_ZN12StringSwitchI5ColorE4CaseILj6EEERS1_RAT__KcRKS0_.exit |
| |
| if.then.i77: ; preds = %land.lhs.true5.i74 |
| br label %_ZN12StringSwitchI5ColorE4CaseILj6EEERS1_RAT__KcRKS0_.exit |
| |
| _ZN12StringSwitchI5ColorE4CaseILj6EEERS1_RAT__KcRKS0_.exit: ; preds = %if.then.i77, %land.lhs.true5.i74, %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit60 |
| %retval.0.i.pre157 = phi i32 [ %retval.0.i.pre158, %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit60 ], [ %retval.0.i.pre158, %land.lhs.true5.i74 ], [ 4, %if.then.i77 ] ; <i32> [#uses=2] |
| %tmp2.i81 = phi i8 [ %tmp2.i63, %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit60 ], [ %tmp2.i63, %land.lhs.true5.i74 ], [ 1, %if.then.i77 ] ; <i8> [#uses=3] |
| %tmp14.i82 = and i8 %tmp2.i81, 1 ; <i8> [#uses=1] |
| %tobool.i83 = icmp eq i8 %tmp14.i82, 0 ; <i1> [#uses=1] |
| %cmp.i86 = icmp eq i32 %conv.i.i, 4 ; <i1> [#uses=1] |
| %or.cond169 = and i1 %tobool.i83, %cmp.i86 ; <i1> [#uses=1] |
| br i1 %or.cond169, label %land.lhs.true5.i92, label %_ZN12StringSwitchI5ColorE4CaseILj5EEERS1_RAT__KcRKS0_.exit |
| |
| land.lhs.true5.i92: ; preds = %_ZN12StringSwitchI5ColorE4CaseILj6EEERS1_RAT__KcRKS0_.exit |
| %call.i90 = call i32 @memcmp(ptr @.str4, ptr %tmp6, i64 5) nounwind ; <i32> [#uses=1] |
| %cmp9.i91 = icmp eq i32 %call.i90, 0 ; <i1> [#uses=1] |
| br i1 %cmp9.i91, label %if.then.i95, label %_ZN12StringSwitchI5ColorE4CaseILj5EEERS1_RAT__KcRKS0_.exit |
| |
| if.then.i95: ; preds = %land.lhs.true5.i92 |
| br label %_ZN12StringSwitchI5ColorE4CaseILj5EEERS1_RAT__KcRKS0_.exit |
| |
| _ZN12StringSwitchI5ColorE4CaseILj5EEERS1_RAT__KcRKS0_.exit: ; preds = %if.then.i95, %land.lhs.true5.i92, %_ZN12StringSwitchI5ColorE4CaseILj6EEERS1_RAT__KcRKS0_.exit |
| %retval.0.i.pre156 = phi i32 [ %retval.0.i.pre157, %_ZN12StringSwitchI5ColorE4CaseILj6EEERS1_RAT__KcRKS0_.exit ], [ %retval.0.i.pre157, %land.lhs.true5.i92 ], [ 5, %if.then.i95 ] ; <i32> [#uses=2] |
| %tmp2.i99 = phi i8 [ %tmp2.i81, %_ZN12StringSwitchI5ColorE4CaseILj6EEERS1_RAT__KcRKS0_.exit ], [ %tmp2.i81, %land.lhs.true5.i92 ], [ 1, %if.then.i95 ] ; <i8> [#uses=3] |
| %tmp14.i100 = and i8 %tmp2.i99, 1 ; <i8> [#uses=1] |
| %tobool.i101 = icmp eq i8 %tmp14.i100, 0 ; <i1> [#uses=1] |
| %cmp.i104 = icmp eq i32 %conv.i.i, 6 ; <i1> [#uses=1] |
| %or.cond170 = and i1 %tobool.i101, %cmp.i104 ; <i1> [#uses=1] |
| br i1 %or.cond170, label %land.lhs.true5.i110, label %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit115 |
| |
| land.lhs.true5.i110: ; preds = %_ZN12StringSwitchI5ColorE4CaseILj5EEERS1_RAT__KcRKS0_.exit |
| %call.i108 = call i32 @memcmp(ptr @.str5, ptr %tmp6, i64 7) nounwind ; <i32> [#uses=1] |
| %cmp9.i109 = icmp eq i32 %call.i108, 0 ; <i1> [#uses=1] |
| br i1 %cmp9.i109, label %if.then.i113, label %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit115 |
| |
| if.then.i113: ; preds = %land.lhs.true5.i110 |
| br label %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit115 |
| |
| _ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit115: ; preds = %if.then.i113, %land.lhs.true5.i110, %_ZN12StringSwitchI5ColorE4CaseILj5EEERS1_RAT__KcRKS0_.exit |
| %retval.0.i.pre155 = phi i32 [ %retval.0.i.pre156, %_ZN12StringSwitchI5ColorE4CaseILj5EEERS1_RAT__KcRKS0_.exit ], [ %retval.0.i.pre156, %land.lhs.true5.i110 ], [ 6, %if.then.i113 ] ; <i32> [#uses=2] |
| %tmp2.i118 = phi i8 [ %tmp2.i99, %_ZN12StringSwitchI5ColorE4CaseILj5EEERS1_RAT__KcRKS0_.exit ], [ %tmp2.i99, %land.lhs.true5.i110 ], [ 1, %if.then.i113 ] ; <i8> [#uses=3] |
| %tmp14.i119 = and i8 %tmp2.i118, 1 ; <i8> [#uses=1] |
| %tobool.i120 = icmp eq i8 %tmp14.i119, 0 ; <i1> [#uses=1] |
| %cmp.i123 = icmp eq i32 %conv.i.i, 6 ; <i1> [#uses=1] |
| %or.cond171 = and i1 %tobool.i120, %cmp.i123 ; <i1> [#uses=1] |
| br i1 %or.cond171, label %land.lhs.true5.i129, label %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit134 |
| |
| land.lhs.true5.i129: ; preds = %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit115 |
| %call.i127 = call i32 @memcmp(ptr @.str6, ptr %tmp6, i64 7) nounwind ; <i32> [#uses=1] |
| %cmp9.i128 = icmp eq i32 %call.i127, 0 ; <i1> [#uses=1] |
| br i1 %cmp9.i128, label %if.then.i132, label %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit134 |
| |
| if.then.i132: ; preds = %land.lhs.true5.i129 |
| br label %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit134 |
| |
| _ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit134: ; preds = %if.then.i132, %land.lhs.true5.i129, %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit115 |
| %retval.0.i.pre = phi i32 [ %retval.0.i.pre155, %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit115 ], [ %retval.0.i.pre155, %land.lhs.true5.i129 ], [ 7, %if.then.i132 ] ; <i32> [#uses=2] |
| %tmp2.i137 = phi i8 [ %tmp2.i118, %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit115 ], [ %tmp2.i118, %land.lhs.true5.i129 ], [ 1, %if.then.i132 ] ; <i8> [#uses=1] |
| %tmp7.i138 = and i8 %tmp2.i137, 1 ; <i8> [#uses=1] |
| %tobool.i139 = icmp eq i8 %tmp7.i138, 0 ; <i1> [#uses=1] |
| %retval.0.i = select i1 %tobool.i139, i32 0, i32 %retval.0.i.pre ; <i32> [#uses=1] |
| %call22 = call i32 (ptr, ...) @printf(ptr @.str7, i32 %retval.0.i) ; <i32> [#uses=0] |
| %exitcond = icmp eq i64 %tmp146, %tmp145 ; <i1> [#uses=1] |
| br i1 %exitcond, label %for.end, label %land.lhs.true.i |
| |
| for.end: ; preds = %_ZN12StringSwitchI5ColorE4CaseILj7EEERS1_RAT__KcRKS0_.exit134, %entry |
| ret i32 0 |
| } |
| |
| declare i32 @printf(ptr nocapture, ...) nounwind |
| |
| declare i32 @memcmp(ptr nocapture, ptr nocapture, i64) nounwind readonly |
| |
| declare i64 @strlen(ptr nocapture) nounwind readonly |