lbl_264: ; preds = %if.end, %lbl_264.preheader
%g_263.tmp.0 = phi i8 [ %g_263.tmp.1, %for.cond ] ; <i8> [#uses=1]
- %tmp7 = load i16* undef ; <i16> [#uses=1]
+ %tmp7 = load i16, i16* undef ; <i16> [#uses=1]
%conv8 = trunc i16 %tmp7 to i8 ; <i8> [#uses=1]
%mul.i = mul i8 %p_95.addr.0, %p_95.addr.0 ; <i8> [#uses=1]
%mul.i18 = mul i8 %mul.i, %conv8 ; <i8> [#uses=1]
%tobool12 = icmp eq i8 %mul.i18, 0 ; <i1> [#uses=1]
unreachable
}
+
+; LSR ends up going into conservative pruning mode; don't prune the solution
+; so far that it becomes unsolvable though.
+; PR7077
+
+%struct.Bu = type { i32, i32, i32 }
+
+define void @_Z3fooP2Bui(%struct.Bu* nocapture %bu) {
+entry:
+ br label %for.body
+
+for.body: ; preds = %for.inc131, %entry
+ %indvar = phi i64 [ %indvar.next, %for.inc131 ], [ 0, %entry ] ; <i64> [#uses=3]
+ br i1 undef, label %for.inc131, label %lor.lhs.false
+
+lor.lhs.false: ; preds = %for.body
+ %tmp15 = add i64 %indvar, 1 ; <i64> [#uses=1]
+ %tmp17 = add i64 %indvar, 2 ; <i64> [#uses=1]
+ %tmp19 = add i64 %indvar, 3 ; <i64> [#uses=1]
+ %tmp21 = add i64 %indvar, 4 ; <i64> [#uses=1]
+ %tmp23 = add i64 %indvar, 5 ; <i64> [#uses=1]
+ %tmp25 = add i64 %indvar, 6 ; <i64> [#uses=1]
+ %tmp27 = add i64 %indvar, 7 ; <i64> [#uses=1]
+ %tmp29 = add i64 %indvar, 8 ; <i64> [#uses=1]
+ %tmp31 = add i64 %indvar, 9 ; <i64> [#uses=1]
+ %tmp35 = add i64 %indvar, 11 ; <i64> [#uses=1]
+ %tmp37 = add i64 %indvar, 12 ; <i64> [#uses=1]
+ %tmp39 = add i64 %indvar, 13 ; <i64> [#uses=1]
+ %tmp41 = add i64 %indvar, 14 ; <i64> [#uses=1]
+ %tmp43 = add i64 %indvar, 15 ; <i64> [#uses=1]
+ %tmp45 = add i64 %indvar, 16 ; <i64> [#uses=1]
+ %tmp47 = add i64 %indvar, 17 ; <i64> [#uses=1]
+ %mul = trunc i64 %indvar to i32 ; <i32> [#uses=1]
+ %add22 = trunc i64 %tmp15 to i32 ; <i32> [#uses=1]
+ %add28 = trunc i64 %tmp17 to i32 ; <i32> [#uses=1]
+ %add34 = trunc i64 %tmp19 to i32 ; <i32> [#uses=1]
+ %add40 = trunc i64 %tmp21 to i32 ; <i32> [#uses=1]
+ %add46 = trunc i64 %tmp23 to i32 ; <i32> [#uses=1]
+ %add52 = trunc i64 %tmp25 to i32 ; <i32> [#uses=1]
+ %add58 = trunc i64 %tmp27 to i32 ; <i32> [#uses=1]
+ %add64 = trunc i64 %tmp29 to i32 ; <i32> [#uses=1]
+ %add70 = trunc i64 %tmp31 to i32 ; <i32> [#uses=1]
+ %add82 = trunc i64 %tmp35 to i32 ; <i32> [#uses=1]
+ %add88 = trunc i64 %tmp37 to i32 ; <i32> [#uses=1]
+ %add94 = trunc i64 %tmp39 to i32 ; <i32> [#uses=1]
+ %add100 = trunc i64 %tmp41 to i32 ; <i32> [#uses=1]
+ %add106 = trunc i64 %tmp43 to i32 ; <i32> [#uses=1]
+ %add112 = trunc i64 %tmp45 to i32 ; <i32> [#uses=1]
+ %add118 = trunc i64 %tmp47 to i32 ; <i32> [#uses=1]
+ %tmp10 = getelementptr %struct.Bu, %struct.Bu* %bu, i64 %indvar, i32 2 ; <i32*> [#uses=1]
+ %tmp11 = load i32, i32* %tmp10 ; <i32> [#uses=0]
+ tail call void undef(i32 %add22)
+ tail call void undef(i32 %add28)
+ tail call void undef(i32 %add34)
+ tail call void undef(i32 %add40)
+ tail call void undef(i32 %add46)
+ tail call void undef(i32 %add52)
+ tail call void undef(i32 %add58)
+ tail call void undef(i32 %add64)
+ tail call void undef(i32 %add70)
+ tail call void undef(i32 %add82)
+ tail call void undef(i32 %add88)
+ tail call void undef(i32 %add94)
+ tail call void undef(i32 %add100)
+ tail call void undef(i32 %add106)
+ tail call void undef(i32 %add112)
+ tail call void undef(i32 %add118)
+ br label %for.body123
+
+for.body123: ; preds = %for.body123, %lor.lhs.false
+ %j.03 = phi i32 [ 0, %lor.lhs.false ], [ %inc, %for.body123 ] ; <i32> [#uses=2]
+ %add129 = add i32 %mul, %j.03 ; <i32> [#uses=1]
+ tail call void undef(i32 %add129)
+ %inc = add nsw i32 %j.03, 1 ; <i32> [#uses=1]
+ br i1 undef, label %for.inc131, label %for.body123
+
+for.inc131: ; preds = %for.body123, %for.body
+ %indvar.next = add i64 %indvar, 1 ; <i64> [#uses=1]
+ br i1 undef, label %for.end134, label %for.body
+
+for.end134: ; preds = %for.inc131
+ ret void
+}
+
+; LSR needs to remember inserted instructions even in postinc mode, because
+; there could be multiple subexpressions within a single expansion which
+; require insert point adjustment.
+; PR7306
+
+define fastcc i32 @GetOptimum() nounwind {
+bb:
+ br label %bb1
+
+bb1: ; preds = %bb1, %bb
+ %t = phi i32 [ 0, %bb ], [ %t2, %bb1 ] ; <i32> [#uses=1]
+ %t2 = add i32 %t, undef ; <i32> [#uses=3]
+ br i1 undef, label %bb1, label %bb3
+
+bb3: ; preds = %bb1
+ %t4 = add i32 undef, -1 ; <i32> [#uses=1]
+ br label %bb5
+
+bb5: ; preds = %bb16, %bb3
+ %t6 = phi i32 [ %t17, %bb16 ], [ 0, %bb3 ] ; <i32> [#uses=3]
+ %t7 = add i32 undef, %t6 ; <i32> [#uses=2]
+ %t8 = add i32 %t4, %t6 ; <i32> [#uses=1]
+ br i1 undef, label %bb9, label %bb10
+
+bb9: ; preds = %bb5
+ br label %bb10
+
+bb10: ; preds = %bb9, %bb5
+ br i1 undef, label %bb11, label %bb16
+
+bb11: ; preds = %bb10
+ %t12 = icmp ugt i32 %t7, %t2 ; <i1> [#uses=1]
+ %t13 = select i1 %t12, i32 %t2, i32 %t7 ; <i32> [#uses=1]
+ br label %bb14
+
+bb14: ; preds = %bb11
+ store i32 %t13, i32* null
+ ret i32 %t8
+
+bb16: ; preds = %bb10
+ %t17 = add i32 %t6, 1 ; <i32> [#uses=1]
+ br label %bb5
+}
projects / oota-llvm.git / blobdiff